NEW DELHI, March 19 (Reuters) - Sunil Mittal, the chairmanof India's biggest telecommunication carrier Bharti Airtel Ltd, was ordered on Tuesday to appear before an Indiancourt on April 11 in a case over alleged corruption inallocating mobile phone bandwidth a decade ago.
The court also summoned the former head of Vodafone GroupPlc's Indian unit over the same case.
The police had filed charges in December against BhartiAirtel and Vodafone's India unit as part of a probe intocorruption allegations in airwave allocations a decade ago.
There was no immediate comment from Bharti and VodafoneIndia.
(Reporting by Suchitra Mohanty; Writing by Devidutta Tripathy;Editing by Miral Fahmy)