- Dr DM Mahajan is one of the favoured dermatologist in India.
- With a thriving practise of over 36 years, he specializes in dermatology & venerology.
- He has completing his MD (dermatology & venerology) & MBBS from the prestigious Maulana Azad Medical College, New Delhi.
- He has served the Indian Leprologist and Venerologist Association of Dermatologists, as the President in the year 1997.
- He was the first one to start the use of Botulinum Toxin type A in Delhi and north India in the year 1998.
- He has pioneered aesthetic dermatology, in Delhi.
- His expertise lies in the non-invasive anti-aging procedures.
- He is an active member of Indian Leprologist & Venerologist Association of Dermatologist & International academy of Cosmetic Dermatology, Indian Association of Dermatology & Laser Indian Association Aesthetic Medicine( IADVL)
- He has published various national & international paper publications.
- Dr Mahajan has appeared in various noteworthy news media and he still does television shows, newspaper and magazine articles and is being regularly quoted in the media.