1. Visit www.hpsmarttankoffers.com to submit unique code, name, mobile number, email ID, state, city, store name and upload your invoice/bill for further bill validation.

2. Post OTP authentication, choose your preferred mode of receiving cash back i.e. NEFT/UPI/Amazon Pay.

3. After bill verification, you will receive your cashback in the chosen mode within 24-48 business hours.