National Insurance Company — for renewal a policy double amount paid

Address:

Cachar, Assam, 788005

Dear sir,
On dated 10/10/2017 during renew my car insurance online i have paid renewal amount two times due to server problem.
Now what to do???
Transaction id 1. Cmse[protected] — rs.3555/

2. Cmse[protected] — rs 3555/-
Both amount debited from my bank account.
Which one is used in my policy i do not know.
So please return my one amount.

Thanking you

Phone no - [protected]
Email id - rambadan.[protected]@gmail.com
State assam
Vehicle no - as 11 c 5311