https://www.scconline.com/blog/post/2020/03/31/indian-stamp-collection-of-stamp-duty-through-stock-exchanges-clearing-corporations-and-depositories-second-amendment-rules-2020-notified/
Indian Stamp (Collection of Stamp-Duty through Stock Exchanges, Clearing Corporations and Depositories) (Second Amendment) Rules, 2020 -- Notified