ANSWER: Both
Explanation:
The Negotiable Instruments (Amendment) Bill, 2015 was passed by the Parliament in the Winter session after it received the assent of the President on the 26th December, 2015 and has been published in the Gazette of India, Extraordinary on 29th December, 2015. The provisions of the Negotiable Instruments (Amendment) Act, 2015 shall be deemed to have come into force on the 15th June, 2015.