SmartApp link -

https://play.google.com/store/apps/details?id=com.getsmartapp&hl=en

Login or Register - http://www.timespoints.com

Click on Redeem tab in to top.

Select redeem on smartapp. Follow the steps to get code on-screen/email.


This is working for all operators supported on SmartApp including airtel.
Multiple codes can be used in same account.
Multiple codes can be generated from same account.