1. First of All Download InterMiles App From Given Link Here. :
2. It will redirect you to Play Store so Download App and Open It.
3. Tap on InterMiles Sign Up Option.
4. Enter Your Valid Mobile Number and Email Address as you have to Verify Both.
5. Verify your Mobile Number with OTP and now Enter your Name and Details.
6. You will Get your InterMiles Account Number. Tap on Continue.
7. Now Close App from Running Process and Open it and Verify your Email Address with OTP.
8. Go to Bottom of Dashboard and you will see InterSmile Spin The Wheel Offer Banner and Spin it and Get Free Upto 50 Points. [You Can Spin Daily Once]
9. Go to Redeem InterMiles Option and Redeem Your 1438 Coins as Rs.250 Amazon Voucher!
10. NOTE : You will get your Voucher in 4 Working Days on Registered Email address!