1) Go to
2) Get 20% cashback on all cab rides booked within Helpchat
3) Use coupon code: GETT20
4) Valid 5 times during offer period.
5) Validity: Most probably this complete week.
Source: Got a Notification from helpchat. Hence, other details like validity and maximum cashback are not with me. If anyone knows, please update. Coupon is getting applied. Thanks.