Ajio — My money is not refunded

Sir I had shopped clothes for Rs 14099 from ecommerce application Ajio but when I got the order, when I opened it and saw it was a product of some other brand. I had also made a video while unboxing it and returning it. but I have not made any payment since 7th December, I have also lodged complaint on Ajio care many times but now they are refusing to give my money while I have also sent them video footage but still speaking That this product is not ours, you are requested to please try to get my 14099 rupees, this amount is too much for me, I can not afford this much from middle class family, I will be grateful to you in helping me please