Airtel is likely to launch its 4G services by mid April,2012.
Earlier there was a news that they will launch 4G on March 20th.
But it turned to be false.
Airtel will be launching 4G services first in Kolkata.
Airtel has won 4G spectrum in 4 circles namely,
Kolkata, Maharashtra, Karnataka and Punjab.
They are allocated with 20 Mhz BWA spectrum in the 2.3 Ghz frequency band.
It is believed that Airtel will come up with 4G dongles,tablets etc and also some bundled data plans associated with these tablets and dongles.
Actually 4G launch will be a new milestone in the history of Indian telecom industry.