Dr. Ratnam Chatterjee practices at Dental Polyclinic in Behala, Kolkata and Behala Dental Clinic in Behala, Kolkata. He completed BDS from Dr. B R Ambedkar Institute of Dental Sciences and Hospital in 2007. The doctor is practicing since 2007 and he is the third generation dentist in his family, with his father and grandfather being one of the oldest dentists in Behala and adjacent areas.