United Bank Of India [UBI] — Debited rs 1000 from my a/c[protected]

I am abhimanyu prasad account holder o[censored]nited bank of india kolkata new alipore branch, a/c no[protected].

Debited rs 1000 from my account on 06/12/2016 by transfering money on dbs bank, but it was not transfer, just debit from my a/c and not credited to my another dbs bank .

So please kindly help me to return my rs 1000 amount on my united bank of india savings a/c[protected].