www.WirelessFederation.com/news: Indian telecom operator Bharti Airtel is ready to with an exclusive gift for its subscribers on the occasion of Valentine day. Now, Airtel subscribers can call free through the “Unlimited Sunday” offer under which Airtel Fixed Line customers can make free Local and STD calls to other Airtel Fixed Line numbers. The offer is valid for the next three Sundays.

Airtel Fixed Line subscribers can call 121 for more information or assistance on the same.

The fierce competition between the Network Service Providers has made it imperative for them to come up with lucrative offers for its subscribers. With the number portability around the corner, they are trying hard to build their user database instead of losing some of them to other service providers.