It had received approval to begin operations in 13 circles including Assam, Bihar, north-eastern states, Orissa and West Bengal.

However, the government revoked all foreign collaboration approvals given to ByCell after the home ministry withdrew security clearance to the firm, citing concerns regarding the original source of its investment.

An investment proposal from Norwegian telecom player Telenor to increase its holding in its Indian subsidiary Unitech Wireless to 67.25 percent has been referred to the Cabinet Committee on Economic Affairs as the amount is more than Rs.600 crore.

Telenor will pump in Rs.3,740 crore to hike its stake from the existing 49 percent.