Paytm Misleading information about Coupons

Location/place: India

Name of company/service: Paytm

I got a Coupon from Paytm that is providing a discount of Rs150 on a purchase of rs299 and above on tradus.in
But when i used the same coupon in tradus website.
It is showing the message that the coupon is valid on recharge of rs999 and above.