It’s been several years since we publicized the Zain innovation that brought down roaming prices in East Africa. No one picked up the inelegant workaround. Until now, when Airtel has sort of started the process. Indians traveling to Sri Lanka or Bangladesh will have one thing less to worry about. Airtel, which has operations in these two countries as well, has announced a new tariff for its customers in India, under which they will be able to make local calls in the country at Rs 1, while calling back home will cost them Rs 10.