Terms and Conditions
1. Flat Rs. 15 Cashback on completing a small survey. The Rs.15 will be credited to your wallet and can be used for recharges and bill payments.
2. The Rs.15 Cashback can be used on a recharge of Rs.25 or more.
3. There will be additional surveys coming up to the users and everytime they complete a survey they get a cashback of Rs. 5 . The additional surveys will start from 7 days from the time the first survey is completed.
The cashback is valid until it is used for any recharge.
4. The surveys will keep coming up very frequently.
http://www.yellowmessenger.com

This app is not working bro
I registered my mobile number but after that there is one popup (Fetching your location. Please wait...). My GPS sensor is activated.

well when i tried it was working don't know about this time