Adidas — Refund pending for more than a month

I had ordered a Adidas T.shirt and it has not fitted to me so I have returned it and it has been returned to the warehouse it has been reached up and I received a quality check confirmation mail as wel but my money is not getting refunded Rs 720 Order no AIN01012704.. It has been more than a month still I have not been refunded please look over the matter and resolve it, otherwise I need to take help from consumer forum.