Its not a trick , its legal and available for all Aircel users to avail unlimited internet from 12am-6am (Mid-Night to 6am morning) to use unlimited 2G internet by just paying Rs. 8 . There are many night owls who will take advantage of this simple feature to enjoy the Aircel 2G . At night Aircel 2G is great enough the speed is 22kb-30kb so what you need more by just paying Rs. 8 . Dial *121*8000# from your Aircel number to activate this plan and reap the benefits.