New Delhi - India's wireless subscriber base has crossed the 400 million mark in April this year with an addition of 11.9 million new users. About 11.90 million wireless (GSM, CDMA and WLL(F)) subscribers were added in April 2009 as against an addition of 15.64 million during the previous month, taking the total subscriber base to 403.66 million, Telecom Regulatory Authority of India (TRAI) said in a statement. The total telecom (wireless and wireline) subscriber base stood at 441.47 million at … [Read more...] about India: wireless subs crosses 400 million