Dr. Subir has two doctorate degrees in Nephrology(D.M and D.N.B) from the Institute of Kidney Diseases and Research Center, India.

Furthermore, Dr. Subir has been a faculty position in Medical College of India, teaching and training the post-graduate students of Nephrology & Internal Medicine along with experience in all Nephrology cases (acute, chronic, critical and procedures).

Last but not the least, during his career Dr. Subir established two Hemodialysis units from scratch.

Recently, Dr. Subir is the Medical Director and Consultant, Nephrologist of Multi-Specialty Health Care Co LLC.