The users in various parts of Delhi-NCR complained and took to social media to express about the network outage, confirming a state-level network outage on Airtel networks.
Airtel users were hit by a network outage in Delhi-NCR on Friday, July 7, from 7 PM to 10 PM.
About an hour after the network outage, the company tweeted & sent SMS that they were facing a technical issue and were on to resolving it already.
Later the company also tweeted that the network had been restored but people tweeted about the network being unable to receive calls and send SMS.
Reason is here