Lacoste India - Return not happening

I have ordered a Tshirt from Lacoste online store on Jun ** and got it on July *. As soon i opened it I see that its completely different from the picture they put up on website. I initiated a return request immediately and got a call after * days. Delivery guy said he lives far from the location and will forward the call. Its been ** days since this happened and I cancelled existing return and re-initiated a new one. However, no change still it hasn't been taken back. I wrote many emails and called their help line number which always says busy. I have also filled their forms, yet nothing from their end. I dint expect this kind of harrasment from a Global premium brand.