Section 4(4)(E) in The Foreign Exchange Management (Foreign Currency Accounts by a Person Resident in India) Regulations, 2015
(E)Diamond Dollar Accounts (DDAs). - An Authorized Dealer Category-I bank in India may allow firms and companies who comply with the eligibility criteria stipulated in the Foreign Trade Policy of Government of India, in force from time to time and the directions as may be issued by Reserve Bank of India, from time to time, to open, hold and maintain Diamond Dollar Accounts (DDAs) in India subject to the terms and conditions of the DDA Scheme specified in Schedule II.