The letter is written by author Amit Chaudhuri, founder of the Calcutta Architectural Legacies, ans signed by 18 eminent personalities such as writer Amitav Ghosh and filmmaker Aparna Sen.
In a letter, several eminent persons said that the Benoy Badal Dinesh Bag (Dalhousie Square) and College Square areas in Kolkata should be declared as heritage precincts, since historic neighbourhoods are "vanishing irretrievably"