I HAVE ALSO USED THIS TRICK:
How to avail the offer:-
*In order to avail this offer airtel subscribers just need to visit this link http://airtel.in/free from their mobile,download all the 4 apps from the landing page( My airtel,Wynk music,Wynk movies and Wynk games),
you can also get the download link messaged to your phone from the landing page,below is the break-through of the offer.
*.For Wynk music and Wynk movies app,the first data installment will be credited upon installing and opening the app and registering with an airtel number,
the second installment will be credited in 30 days and the third will be credited within 30 days of second that means 100 mb per month,(
*.For Wynk games app the first installment will be credited upon opening the app and registering via airtel mobile,second needs to be claimed after 30 days of first installment.
*.Offer are valid from 7th jan 2016 only for a limited time period.
*.The internet data under this offer can be used between 12am-6am in the night.
The offers can be availed by downloading these app on android or ios platforms,Windows phone.