India’s leading cellular brand AirTel announced on Wednesday reduction in airtime rates on all STD calls for both its post-paid and pre-paid customers to 50 paise per minute. The company has also said that there would be no airtime charges on any ISD calls for both post-paid and pre-paid customers. ‘‘This amounts to a reduction of up to 79 per cent on airtime rates on STD calls and a 100 per cent reduction in airtime on ISD calls’’, a company release stated. For the post-paid segment, AirTel announced the opening up of Mobile to Mobile STD facility for its customers without taking any STD deposit against the same. The benefits will be made available to all new customers across the country with immediate effect and existing customers in a phased manner, the release further added.