The Department of Telecommunications (DOT) has allotted Unitech's subsidiary company, a 4.4 MHz of spectrum in 1800 MHz GSM band in Tamil Nadu service area including Chennai.

The other five companies apart from Unitech are Loop (Essar), Datacomm (Videocon), Idea (Aditya Birla Group), Tatas and Swan.

It may be mentioned here that on April 15, the DoT cleared the release of 22 MHz to five new telecom licensees in Tamil Nadu.
This move will commit the DoT to providing 26.4 MHz of 2G spectrum in the 1800 MHz band to the six operators at 2001 prices.