Senior bureaucrat PD Vaghela was on Monday appointed as chairman of the Telecom Regulatory Authority of India (TRAI), according to a Personnel Ministry order.
Mr Vaghela, a 1986-batch IAS officer of Gujarat cadre, is currently Secretary, Department of Pharmaceuticals.
He has been appointed as the TRAI chief for three years or till he attains the age of 65, the order said.
Mr Vaghela was due to retire on Wednesday.
He will succeed RS Sharma, who completes his tenure on Wednesday.
Mr Sharma was in 2015 appointed as the TRAI chairman for three years. In August 2018, his term was extended till September 30, 2020.