Invisalign is a technologically driven invisible braces treatment. One has to be a licensed provider in order to treat patients with Invisalign. Based on the quantum of experience including number of patients treated Invisalign certifies the Orthodontist as a Bronze, Silver or Gold provider. Dr. Angshuman Bhattacharya is the first and till date the only Gold Provider of Invisalign of Eastern India including Kolkata. He has been treating patients with different kinds of Invisible Braces System for 10 years and has an overall experience in Orthodontics of 17 years.