The Indian ADS-B Mandate implementation which was delayed from 01 January 2019 to 01 January 2020 will be implemented w.e.f. 01 January 2020. The mandate covers almost the entire airspace of the Indian Sub-continent. Any aircraft wishing to fly above FL290 or above in this airspace needs to have a serviceable ADS-B out duly certified Transmitting equipment .
Complete details can be found in AIP SUPPLEMENT 148/2018 .