Indian Bank — Not getting returned back my flat DEED after completely returned

Address:

north barrackpore bank ifsc code is idib000n620

Sir
I had been taken a home loan (ac no L[protected]) on 2015, and now I have been totally returned the total amount on 15th nov2021, but they have not been given any closing certificate or my original deed of my home, which I was kept as a mortgage while taking the loan and several time asking they are not giving any response to me and misbehaved with me in the bank by branch manager
kindly see the matter