"The DoT issued the letter on October 20," said one of the sources aware of the development that took place last week. RCom and SSTL didn't immediately comment. RCom's CDMA spectrum in eight circles is set to expire in 2021.As of July data from the Telecom Regulatory Authority of India (Trai), MTS had nearly 4 million customers. Considering that all of these customers are users of data, they would add value to RCom's base of 81 million users. RCom would also benefit from MTS' revenue generation of Rs 1,000 crore.

Source: Economic Times October 23, 2017 07:41 UTC