How can I find the best doctors in India for specialised treatments?

When choosing the best doctors in India for specialised treatments, one should consider various factors such as credentials, qualifications, experience, specialisations, and patient reviews.

Which city has the best doctors in India?

According to the Medical Council of India (MCI) and the National Medical Commission (NMC), Delhi has recorded 50,000 registered doctors, including leading experts in fields like cardiology, oncology, and neurosurgery. On the other hand, Chennai and Bangalore boast over 40,000 medical practitioners and stand out when considering the best doctors in India.

Which cities in India have the top medical professionals?

Several cities in India have the top doctors, such as New Delhi, Mumbai, Chennai, Bangalore, Hyderabad, Kolkata, Noida, Ahmedabad, etc.

How can international patients consult with doctors in India online?

International patients can consult doctors in India online through various platforms and methods. They can search different websites for doctors based on their experience, speciality, and location. After filling out the form, appointments can be booked for video or phone consultations.

What is the cost of consulting a specialist doctor in India?

The cost of consulting a specialist doctor in India varies based on several factors, such as the doctor's expertise, experience, and hospital location and ranges between USD 10 and USD 30.

Are Indian doctors experienced in treating international patients?

Yes, top doctors in India are experienced in treating international patients for different procedures, such as organ transplants, cardiac surgeries, joint replacements, cancer surgeries, cosmetic surgeries, and fertility treatments.

How do I verify the credentials of doctors in India before seeking treatment?

There are several ways to verify the credentials of doctors in India before seeking treatment, such as checking registration with NMC, checking hospital accreditations, checking medical societies and memberships, reviewing qualifications and certifications, and reading patient reviews.

What are the top medical specialities offered by doctors in India?

The top medical specialities offered by doctors in India are: Cardiology and Cardiac Surgery Cancer Surgery Neurology and Neurosurgery Orthopaedic and Joint Replacement Surgery Gastroenterology and Hepatology Fertility and IVF Kidney Transplants Ophthalmology Plastic and Cosmetic Surgery Urology Paediatrics and Paediatric Surgery

What are the language and communication options available with doctors in India for non-English speakers?

For non-English speakers, Indian hospitals and doctors offer several language and communication support options, such as translation and interpretation services, dedicated international patient departments, bilingual written materials, etc.

How can I book a second opinion appointment with a doctor in India?

To get a second opinion from the best doctor in India, you can fill out the form on our website with all the relevant information. Our team will contact you shortly to confirm the consultation or provide further assistance.

Best Doctors in India | Find Top Specialists

Filter by Specialty

Dr Major Rengan

Colorectal Surgeon

Chennai, India

38+ years of experience

Senior Consultant

Works At: Apollo First Med Hospitals, Kilpauk

WhatsApp Us

Dr RS Rengan is one of the best Laparoscopic Surgeons in Chennai with a career expanding over 34 years.
He is refining his skill as a Laparoscopic Surgeon for the past 16 years in the speciality area of minimal access gastrointestinal surgery.
He specialises in Laparoscopic Gastrointestinal, Hernia, and Colo-rectal surgery.
He also has a special interest in Endocrine Surgery including thyroid and breast surgery.
He is a world-renowned Hernia Surgeon who has been dedicating his skill to understanding and solving the complexity of Hernia.
He teaches and trains surgeons all over the world in Hernia Surgery and started the Chennai Hernia Centre to devote time to the field of hernia surgery.
He is an ATLS certified Trauma Surgeon and had a great experience in polytrauma including bullet and bomb injuries as well as road traffic accidents.
Dr Rengan is a member of The Associations of Surgeons of India, Association of Minimal Access Surgeons of India, and the Indian Association of Endocrine Surgeons.
He was a Gold Medalist in Physiology, Pathology and General Medicine and ranking 1st in MBBS first and final years.
He was also a Gold Medallist in General surgery – AFMC, Pune University.
Dr Rengan also devotes his time to community service and is a proficient orator for various social causes.

Dr RS Rengan is one of the best Laparoscopic Surgeons in Chennai with a career expanding over 34 years.
He is refining his skill as a Laparoscopic Surgeon for the past 16 years in the speciality area of minimal access gastrointestinal surgery.
He specialises in Laparoscopic Gastrointestinal, Hernia, and Colo-rectal surgery.
He also has a special interest in Endocrine Surgery including thyroid and breast surgery.
He is a world-renowned Hernia Surgeon who has been dedicating his skill to understanding and solving the complexity of Hernia.
He teaches and trains surgeons all over the world in Hernia Surgery and started the Chennai Hernia Centre to devote time to the field of hernia surgery.
He is an ATLS certified Trauma Surgeon and had a great experience in polytrauma including bullet and bomb injuries as well as road traffic accidents.
Dr Rengan is a member of The Associations of Surgeons of India, Association of Minimal Access Surgeons of India, and the Indian Association of Endocrine Surgeons.
He was a Gold Medalist in Physiology, Pathology and General Medicine and ranking 1st in MBBS first and final years.
He was also a Gold Medallist in General surgery – AFMC, Pune University.
Dr Rengan also devotes his time to community service and is a proficient orator for various social causes.

Dr Suresh Sankhla

Neurosurgeon

Mumbai, India

22+ years of experience

Head of Department

Works At: Global Hospitals, Mumbai

4.9 (34 Ratings)

WhatsApp Us

Dr. Suresh Sankhla is a Neurosurgeon who has accumulated experience of over 16+ years. His accomplishments in his field include successful neurosurgeries, 100+ publications, memberships in various societies and awards.
He has a designation of Head of Department in Neurosurgery and is likewise very reknown in Mumbai.
His special interests are Endoscopic and Endoscope-assisted Brain & Spine Surgery, complex Skull Base Surgery and Pediatric Neurosurgery.
Dr Sankhla holds a Diplomate of the National Board in Neurosurgery and is a Fellow of the International College of Surgeons (FICS).
He has completed Clinical Fellowships in Skull Base Surgery and Neuro-Oncological Surgery under the guidance of leading neurosurgeonsin the United States of America.
He is a leader and an active member of several national & international associations connected with neurosurgery, having held executive posts in several of them, including as President of the Skull Base Surgery Society of India, Indian Society for Pediatric Neurosurgery, and the Bombay Neurosciences Association.

Dr. Suresh Sankhla is a Neurosurgeon who has accumulated experience of over 16+ years. His accomplishments in his field include successful neurosurgeries, 100+ publications, memberships in various societies and awards.
He has a designation of Head of Department in Neurosurgery and is likewise very reknown in Mumbai.
His special interests are Endoscopic and Endoscope-assisted Brain & Spine Surgery, complex Skull Base Surgery and Pediatric Neurosurgery.
Dr Sankhla holds a Diplomate of the National Board in Neurosurgery and is a Fellow of the International College of Surgeons (FICS).
He has completed Clinical Fellowships in Skull Base Surgery and Neuro-Oncological Surgery under the guidance of leading neurosurgeonsin the United States of America.
He is a leader and an active member of several national & international associations connected with neurosurgery, having held executive posts in several of them, including as President of the Skull Base Surgery Society of India, Indian Society for Pediatric Neurosurgery, and the Bombay Neurosciences Association.

Dr Usha Shrivastava

Obstetrician and Gynaecologist

New Delhi, India

61+ years of experience

HOD

5.0 (33 Ratings)

WhatsApp Us

Dr Usha Srivastava with an experience of 53+years, is one of the most renowned & respected Obstetrics & Gynaecology in India.
She has completed her MBBS & MD from the prestigious Agra Medical College. Following which she did a Fellowship from Washington University, USA.
Dr Srivastava has been Consultant at the Calabar Univ. Medical College, Nigeria.

Dr Usha Srivastava with an experience of 53+years, is one of the most renowned & respected Obstetrics & Gynaecology in India.
She has completed her MBBS & MD from the prestigious Agra Medical College. Following which she did a Fellowship from Washington University, USA.
Dr Srivastava has been Consultant at the Calabar Univ. Medical College, Nigeria.

Dr. Anil Raheja

Orthopaedic and Joint Replacement Surgeon

New Delhi, India

27+ years of experience

Consultant

Works At: Apollo Spectra Hospital, New Delhi

WhatsApp Us

Dr. Anil Raheja is an orthopedician with 23+ years of experience.
His forte includes minimal invasive single incision total hip replacement, total knee replacement, minimal invasive spine surgeries, partial knee replacement, arthroscopic procedures & complex trauma surgeries.
He has performed more than 18000 procedures to date.
Dr. Raheja is a member of the Medical Council of India, Indian Orthopedic Association, Indian Medical Association, Indian Society of Hip & Knee Surgeon and Delhi Medical Association.
He completed MBBS from Maharshi Dayanand University, Rohtak, MS in orthopedics from Maharshi Dayanand University, Rohtak and M.Ch in orthopedics from USAIM, Seychelles (University of Seychelles, American Institute of Medicine).
He has many publications to his credit in national journals.

Dr. Anil Raheja is an orthopedician with 23+ years of experience.
His forte includes minimal invasive single incision total hip replacement, total knee replacement, minimal invasive spine surgeries, partial knee replacement, arthroscopic procedures & complex trauma surgeries.
He has performed more than 18000 procedures to date.
Dr. Raheja is a member of the Medical Council of India, Indian Orthopedic Association, Indian Medical Association, Indian Society of Hip & Knee Surgeon and Delhi Medical Association.
He completed MBBS from Maharshi Dayanand University, Rohtak, MS in orthopedics from Maharshi Dayanand University, Rohtak and M.Ch in orthopedics from USAIM, Seychelles (University of Seychelles, American Institute of Medicine).
He has many publications to his credit in national journals.

Get FREE Evaluation

Treatment plan and quote within 2 days

Dr. Deepthi Bawa

Obstetrician and Gynaecologist

Bangalore, India

12+ years of experience

Consultant

Works At: Aster CMI Hospital (Hebbel) Bangalore

5.0 (12 Ratings)

WhatsApp Us

Dr. Deepthi Bawa is a Gynaecologist with over 12 years of experience.
She specializes in IVF, IUI, Hysteroscopy, Female Infertility Treatment, Embryo Donor Program and Fertilization.
She is a member of BSOG (Bangalore Society of Obstetrics & Gynecology ) and ESHRE (European Society of Human Reproduction and Embryology).
Dr. Mishra completed her MBBS from Rajiv Gandhi University of Health Sciences, MS from Yenepoya Medical College, Mangalore, Diploma (Reproductive Medicine and Embryology) from Momsoon Fertility and IVF Centre and Diploma (Reproductive Medicine) from Keil University, Germany.

Dr. Deepthi Bawa is a Gynaecologist with over 12 years of experience.
She specializes in IVF, IUI, Hysteroscopy, Female Infertility Treatment, Embryo Donor Program and Fertilization.
She is a member of BSOG (Bangalore Society of Obstetrics & Gynecology ) and ESHRE (European Society of Human Reproduction and Embryology).
Dr. Mishra completed her MBBS from Rajiv Gandhi University of Health Sciences, MS from Yenepoya Medical College, Mangalore, Diploma (Reproductive Medicine and Embryology) from Momsoon Fertility and IVF Centre and Diploma (Reproductive Medicine) from Keil University, Germany.

Dr. Geeta Shroff

New Delhi, India

36+ years of experience

Director

Works At: Nutech Mediworld, New Delhi

4.6 (47 Ratings)

WhatsApp Us

Dr.Geeta Shroff is a specialist in regenerative medicine with over 15 years experience in stem cell treatment and 30+ years of overall medical practice.
She is the Founder & Medical Director of Nutech Mediworld – renowned for its stem cell treatments.
She has vast knowledge and experience of Stem cells & Regenerative medicines, IVF and Embryology.
Dr.Geeta Shroff has developed a novel, patented Stem Cell technology, which has been used to treat more than 1500 patients till date.
The technology is patented in 77 countries including Japan, South Korea, Singapore, USA, Australia and New Zealand and is patent pending in several others.
Dr.Geeta Shroff has more than 50 publications in peer-reviewed international scientific & medical journals.
She is regularly invited to present her research and clinical work at international conferences and workshops.

Dr.Geeta Shroff is a specialist in regenerative medicine with over 15 years experience in stem cell treatment and 30+ years of overall medical practice.
She is the Founder & Medical Director of Nutech Mediworld – renowned for its stem cell treatments.
She has vast knowledge and experience of Stem cells & Regenerative medicines, IVF and Embryology.
Dr.Geeta Shroff has developed a novel, patented Stem Cell technology, which has been used to treat more than 1500 patients till date.
The technology is patented in 77 countries including Japan, South Korea, Singapore, USA, Australia and New Zealand and is patent pending in several others.
Dr.Geeta Shroff has more than 50 publications in peer-reviewed international scientific & medical journals.
She is regularly invited to present her research and clinical work at international conferences and workshops.

Dr. Inderdeep Singh

Knee Specialist

Amritsar, India

20+ years of experience

Consultant

Works At: Amandeep Hospital, Amritsar

5.0 (59 Ratings)

WhatsApp Us

Dr. Inderdeep Singh is an orthopedic surgeon with 14 years of experience.
He completed MBBS from Sri Ramachandra Medical College, Chennai, MS from Dr. Vasantrao Pawar Medical College and Research Centre, DNB from National Board of Examination, New Delhi and MCh Orthopaedics from University of Seychelles.
He is a lifetime member of the Indian Orthopaedic Association (IOA), International Society for Knowledge for Surgeons on Arthroscopy and Arthroplasty, Indian Arthroscopy Society, Punjab Orthopaedic Association, and Shoulder and Elbow Society of India.
In 2014, he attained his fellowship in arthroplasty and arthroscopy at Flinders University, Australia.
He has expertise in major orthopedic procedures including arthroplasty, arthroscopic for knee, shoulder, ankle, and wrist, sports medicine, et al.
Dr. I.D. Singh has published articles on the knee, shoulder, and ankle topics and presented scientific papers and posters at various national and international orthopedic meetings.

Dr. Inderdeep Singh is an orthopedic surgeon with 14 years of experience.
He completed MBBS from Sri Ramachandra Medical College, Chennai, MS from Dr. Vasantrao Pawar Medical College and Research Centre, DNB from National Board of Examination, New Delhi and MCh Orthopaedics from University of Seychelles.
He is a lifetime member of the Indian Orthopaedic Association (IOA), International Society for Knowledge for Surgeons on Arthroscopy and Arthroplasty, Indian Arthroscopy Society, Punjab Orthopaedic Association, and Shoulder and Elbow Society of India.
In 2014, he attained his fellowship in arthroplasty and arthroscopy at Flinders University, Australia.
He has expertise in major orthopedic procedures including arthroplasty, arthroscopic for knee, shoulder, ankle, and wrist, sports medicine, et al.
Dr. I.D. Singh has published articles on the knee, shoulder, and ankle topics and presented scientific papers and posters at various national and international orthopedic meetings.

Dr. K Hemanth Kumar

Obesity and Bariatric Surgeon

Bangalore, India

17+ years of experience

Consultant

Works At: Manipal Hospital (Old Airport Road) Bangalore

WhatsApp Us

Dr. K Hemanth Kumar is a reputed General Surgeon with +15 years of experience in the field of laparoscopic and open surgeries.
He is a life member of the Indian Association of Surgical Gastroenterology, Indian Chapter- International Hepato-Pancreato-Biliary Association, Association of Surgeons of India, Indian Association of Gastrointestinal Endo Surgeons and the Chandigarh Surgical Society.
He did his MBBS in 2008 from the Bangalore Medical College and Research Institute, Bangalore and MS in 2013 from the PGIMER, Chandigarh. He is also a DNB holder and recently earned his M.Ch.
Dr. Kumar is a specialist in basic & advanced laparoscopic GI surgery, GI/HPB onco-surgery, surgery for acute and chronic pancreatitis, liver resection, laparoscopic hernia/reflux surgery, VATS, treats coloproctoloy conditions with surgery such as, cancers, fissures, piles and fistula. His scope of work also includes managing complex biliary strictures.
A specialist, he has received several awards including a travel grant.
Dr. Kumar has several publications in his name.

Dr. K Hemanth Kumar is a reputed General Surgeon with +15 years of experience in the field of laparoscopic and open surgeries.
He is a life member of the Indian Association of Surgical Gastroenterology, Indian Chapter- International Hepato-Pancreato-Biliary Association, Association of Surgeons of India, Indian Association of Gastrointestinal Endo Surgeons and the Chandigarh Surgical Society.
He did his MBBS in 2008 from the Bangalore Medical College and Research Institute, Bangalore and MS in 2013 from the PGIMER, Chandigarh. He is also a DNB holder and recently earned his M.Ch.
Dr. Kumar is a specialist in basic & advanced laparoscopic GI surgery, GI/HPB onco-surgery, surgery for acute and chronic pancreatitis, liver resection, laparoscopic hernia/reflux surgery, VATS, treats coloproctoloy conditions with surgery such as, cancers, fissures, piles and fistula. His scope of work also includes managing complex biliary strictures.
A specialist, he has received several awards including a travel grant.
Dr. Kumar has several publications in his name.

Dr. Naveen Reddy P

Hip Specialist

Secunderabad, India

16+ years of experience

Consultant

Works At: Apollo Hospital, Secunderabad

WhatsApp Us

Dr. Naveen Reddy P is among the leading Orthopedic & Joint Replacement Surgeon with an experience of +13 years.
He is a professional member of the Indian Orthopedic Association.
Dr. Reddy P completed his MBBS in 1995 from the University of Mysore. He then did his M.Ch from Rajah Muthiah Medical College in 2000 and PG and D.Ortho from Annamalai University in 2002, followed by a diploma in 2004. He then pursued a fellowship in Israel in 2007.
He is an expert orthopedic surgeon reputed to perform, total hip/knee replacement, knee joint replacement, regrow surgeries, reconstructive surgeries for deformities, shoulder/elbow replacement, poly trauma surgery, sports arthroscopic surgeries and surgeries of club foot and spine.

Dr. Naveen Reddy P is among the leading Orthopedic & Joint Replacement Surgeon with an experience of +13 years.
He is a professional member of the Indian Orthopedic Association.
Dr. Reddy P completed his MBBS in 1995 from the University of Mysore. He then did his M.Ch from Rajah Muthiah Medical College in 2000 and PG and D.Ortho from Annamalai University in 2002, followed by a diploma in 2004. He then pursued a fellowship in Israel in 2007.
He is an expert orthopedic surgeon reputed to perform, total hip/knee replacement, knee joint replacement, regrow surgeries, reconstructive surgeries for deformities, shoulder/elbow replacement, poly trauma surgery, sports arthroscopic surgeries and surgeries of club foot and spine.

Dr. Pratap Bahadur Singh

Urologist

New Delhi, India

36+ years of experience

Director

WhatsApp Us

A president gold medal winner and a renowned urologist with 27+ years of experience
Instrumental in establishing a well-equipped department of Urology with all subspecialties
With his pioneering efforts, he successfully established a renal transplant programme at Banaras Hindu University in Varanasi
An influential member of the Indian Society of Organ Transplantation, Indian Society of Lymphology, SIU, Urological Society of India, East & North Zone Chapter of Urological Society of India and British Transplant Society
Common Wealth Medical Fellow at the Transplant Unit in Cardiff Royal Infirmary in UK

A president gold medal winner and a renowned urologist with 27+ years of experience
Instrumental in establishing a well-equipped department of Urology with all subspecialties
With his pioneering efforts, he successfully established a renal transplant programme at Banaras Hindu University in Varanasi
An influential member of the Indian Society of Organ Transplantation, Indian Society of Lymphology, SIU, Urological Society of India, East & North Zone Chapter of Urological Society of India and British Transplant Society
Common Wealth Medical Fellow at the Transplant Unit in Cardiff Royal Infirmary in UK

Dr. Purna Chandra Reddy

Urologist

Hyderabad, India

31+ years of experience

Director

Works At: Asian Institute of Nephrology and Urology (AINU), Hyderabad

WhatsApp Us

Dr. Purna Chandra Reddy is a leading Urology Specialist in Hyderabad, India.
He has overall 29 years of experience in the medical field and is known to have expertise in Endo-urology and LASERS & Robotics in Urology.
After completing his basic medical education at Kakatiya Medical College, he pursued MS in General Surgery and M.Ch. in GU surgery from Osmania Medical College.
He has served at Osmania Medical College and Kidney & Laparoscopic Center in Hyderabad.
He is associated with various memberships related to Endo-urology and Laparoscopic Uro-oncology.
He has presented several papers and presentations.

Dr. Purna Chandra Reddy is a leading Urology Specialist in Hyderabad, India.
He has overall 29 years of experience in the medical field and is known to have expertise in Endo-urology and LASERS & Robotics in Urology.
After completing his basic medical education at Kakatiya Medical College, he pursued MS in General Surgery and M.Ch. in GU surgery from Osmania Medical College.
He has served at Osmania Medical College and Kidney & Laparoscopic Center in Hyderabad.
He is associated with various memberships related to Endo-urology and Laparoscopic Uro-oncology.
He has presented several papers and presentations.

Dr. Rajiv Joshi

Endourologist

Mumbai, India

33+ years of experience

Senior Consultant

Works At: S. L. Raheja Hospital, Mumbai

WhatsApp Us

Dr. Rajiv Joshi is a well-known Urologist with an experience of over 29+ years in the field.
He is a life member of the Urological Society of India, Mumbai Urological Society, and Maharashta Medical Council (MMC).
He pursued his MBBS and MS - General Surgery from Lokmanya Tilak Municipal Medical College, Mumbai and later went on to complete his M.ch - Urology from Sir J.J. Group of Hospitals, Mumbai.
He has been honored with several awards and recognitions such as the First Prize in the Dr. G. M. Phadke Memorial Competitive Examination in General Surgery.
He has expertise in Transurethral Incision of The Prostate (TUIP), Urinary Tract Infection (UTI), Circumcision, Male hypogonadism, Hydrocele Treatment (Surgical), Vascular Surgery, Minimally Invasive Urology, Varicocele Surgery, Subincision, Male Sexual Dysfunction Treatment, Blood in Urine (Hematuria) Treatment, etc.
Dr. Joshi has numerous publications and researches under his name in national and international journals.

Dr. Rajiv Joshi is a well-known Urologist with an experience of over 29+ years in the field.
He is a life member of the Urological Society of India, Mumbai Urological Society, and Maharashta Medical Council (MMC).
He pursued his MBBS and MS - General Surgery from Lokmanya Tilak Municipal Medical College, Mumbai and later went on to complete his M.ch - Urology from Sir J.J. Group of Hospitals, Mumbai.
He has been honored with several awards and recognitions such as the First Prize in the Dr. G. M. Phadke Memorial Competitive Examination in General Surgery.
He has expertise in Transurethral Incision of The Prostate (TUIP), Urinary Tract Infection (UTI), Circumcision, Male hypogonadism, Hydrocele Treatment (Surgical), Vascular Surgery, Minimally Invasive Urology, Varicocele Surgery, Subincision, Male Sexual Dysfunction Treatment, Blood in Urine (Hematuria) Treatment, etc.
Dr. Joshi has numerous publications and researches under his name in national and international journals.

Showing 2125–2136 of 9,654 doctors

Get FREE Evaluation

Treatment plan and quote within 2 days

Data Privacy Guaranteed

Your information is secure

24/7 Patient Support

Get assistance anytime

Best Doctors in India

Dr Major Rengan

Dr Suresh Sankhla

Dr Usha Shrivastava

Dr. Anil Raheja

Get FREE Evaluation

Dr. Deepthi Bawa

Dr. Geeta Shroff

Dr. Inderdeep Singh

Dr. K Hemanth Kumar

Dr. Naveen Reddy P

Dr. Pratap Bahadur Singh

Dr. Purna Chandra Reddy

Dr. Rajiv Joshi

Get FREE Evaluation

Frequently Asked Questions (FAQ's)

How can I find the best doctors in India for specialised treatments?

Which city has the best doctors in India?

Which cities in India have the top medical professionals?

How can international patients consult with doctors in India online?

What is the cost of consulting a specialist doctor in India?

Are Indian doctors experienced in treating international patients?

How do I verify the credentials of doctors in India before seeking treatment?

What are the top medical specialities offered by doctors in India?

What are the language and communication options available with doctors in India for non-English speakers?

How can I book a second opinion appointment with a doctor in India?

Reviews from patients

Case Study of Our Patients

Mrs. Rachael Ponau Kirriwom’s Journey from Papua New Guinea to India for Successful Heart Bypass Surgery

From 20 Years of CIDP to Successful Stem Cell Transplant: Mr. Nischal Rahmit’s Journey From Mauritius to India

From Papua New Guinea to India: Mr. Frank Gimana Gamoga’s Heart Bypass Surgery Journey

65-Year-Old Sierra Leone Patient Undergoes Successful Spine Surgery in India

Ethiopian Patient Undergoes Successful Spine Surgery in India at Fortis Hospital

From the Solomon Islands to India: Mr. John Uatee’s Spine Surgery Journey in Hyderabad