The story
The company was founded by Brijendra Kumar Gupta. Headquartered in Kolkata, the company has over 90 stores across India and has employed more than 600 people.
In 1959, the company opened its first retail outlet in Gariahat, Kolkata.
In 2010, Essilor acquired GKB Opticals Limited to form GKB Optic Technologies.
From Wikipedia’s article on GKB Opticals, shared under CC BY-SA 4.0.3