In exercise of the powers conferred by sub-section (2) of Section 1 of the Delhi High Court (Amendment) Act, 2015, the Central Government appointed the 26th day of October, 2015 as the date on which the provisions of the said Act shall come into force. And thus the Act came into force on 26th October 2015.
Refer the link below for more details of the Bill
Lok Sabha Passed the Delhi High Court (Amendment) Bill, 2014