Indian Overseas Bank — no action on refund

I did not got my refund on my bank account as i had ordered two products from two different websites which are shein and amazon. Amazon initiated the refund on 23/10/2018 with referral id 157219 and amount 1795 and shein initiated the refund on 5/10/2018 with referral id[protected] and amount 884. Please do somthing with this. Its been more than 2 months.