Who is responsible for making regulations, procedures and issuing directions covering the Aeronautical Telecommunication facilities (I.e. CNS/ATM Automation facilities) in India?

The DGCA (Web site ?dgca.nic.in?) is the designated agency of Govt. of India under the Ministry of Civil Aviation for making regulations, procedures and issuing directions covering the Aeronautical Telecommunication facilities (I.e. CNS/ATM Automation facilities) . Their instructions are to be complied with both by the Air Navigation Service Provider (ANSPs), airlines and the airports.