Amazon India — I am complaining that not getting refund amount

Address:

East Champaran, Bihar, 845412

I just placed an order on[protected] for honor 7x 4gb ram 64 gb rom order no. Is #[protected] and cancelled on[protected] after cancellation customer care executive told me now don't receive your item and just refuse that and we will refund you full ammount within 3-5 days. But when item came on 7-1-2018 amx i refused that but today it's 20 days but i didn't get my refund amount and whenever i call on customer care they say that we will refund with in 3-5 days. Plz refund my amount