Uber India — promo code

Address:

Kolkata, West Bengal, 700082

I am not able to acess my free code every time i enter the code the output comes that this promocode is not valid but in my inbox message it is valid upto 2 weeks please tell me how to fix it. I have attached a promocode copy also and tell my why is it happenings with me from long time please resolve it as soon as posible i will be thankfull for that.