Airtel customers can download the Hangout app free from Android or iOS store.

"With a big focus on WiFi zones that provide customers a superior data experience, Airtel has already gone live across 8 locations in Delhi/NCR in a short span of time," the company said in a statement.

"We constantly innovate to find newer ways to enrich the lives of mobile users in the country," cited Bharti Airtel's director, market operations, Ajai Puri.