Adidas — repair, refund, replace

Address:

Chandigarh, Punjab, 160002

I bought an adidas originals shoes a week ago and i am having a problem in my ankle when i wear the shoe which makes it impossible for me to wear the shoe, please help me get my product replaced or my money refunded, these shoes were for 9000 and i got them on a discount of 40 percent for 4500, when i checked the size on the show room i wore the left shoe which was comfortable so i decided to biy the shoe, next day when i wore the right shoe it started giving me pain in the back of my ankle and i didnt wear the shoe after that, when i went to the showroom they refused to refund my money or to replace or repair my product, please help me on this issue.