Ajio — Not refunding my money

I ordered two short cargo pant (camo print slim fit and slim fit cargo pants) from Ajio.com on 28-july-2020. I received the product on 28-August-2020 and returned both the products on 30th August 2020. For camo print slim fit cargo pants, the refund was initiated on 31st august and refund was credited on 3rd September 2020. For second product i.e. Slim fit cargo pant, the refund was initiated on 6th October but I have not received the refund for this one. I have already shared my bank statements showing that the refund has not credited yet. Since then, I am following up with AJIO to refund my money. They told me that they have refunded the amount. I have already shared my account statement with them and shown them that there are no refund. Everytime I call, customer care just log a complaint with a resolution date for more than 7 days and then close the complaint without refunding the money. I asked to share the payment details but they are not providing the same. I followed up by sending email to their grievance email id but there is no resolution. They are not refunding the amount and just close my complaint. I am following up with them from more than 3 months. I am frustated as their customer care is not supporting, they don't call back, they don't reply on email and continuously saying that they have refunded but not sharing any payment proof so that I can check with bank.