Citibank — fraud transaction in my credit card

Address:

noida , Gautam Buddha Nagar, Gautam Buddh Nagar, Uttar Pradesh, 201301

I am using credit card of citi bank card no.
[protected] on 20-nov-2019 and 21-nov-2019. 15 transaction was done on this card by some other source in other country currency i want to resolve this query immediately. Kindly do work on complaint and refund my amount as soon as possible.
This to inform there was 15 (Fifteen) online transaction done with out my knowledge from my credit card. My credit card details
Credit card - [protected]
Name - jamshed mohammad
Amount -80779.67 (15 transaction in other country currency) fraud transaction from my credit card details:-
1) 225.94 - can -20 nov19 -21:35pm
2) 2.09 - aud - 21 nov 19- 04:52pm
3) 169.00 - usd -21 nov 19 - 04:52pm
4) 1.00 - euro-21 nov 19 -04:52pm
5) 1.75 - brl -21 nov 19 -04:52pm
6) 129.95 - euro - 21 nov 19 -04:52 pm
7)-50.00- sek - 21 nov 19 -04:52pm
8) 0.08 - usd - 21 nov 19- 04:52 pm
9) 53 - sek. - 21 nov 19 - 04:52pm
10) 1.00 - euro - 21 nov 19 -04:52 pm
11) 288 - usd. - 21 nov 19- 04:52pm
12) 169 - usd -21 nov 19 -04:52pm
13) 119 - usd -21 nov 19 -04:52pm
14) 50 - usd -21 nov 19 -04:52pm
15) 16 - sek - 21 nov 19 -04:52pm
Time - 14 transaction same time 04:52pm on[protected] and
Time - 1 transaction -9:35pm on[protected].
Request to thoroughly investigate these 15 transaction in foreign currency of amount (Inr 80779.67) return to my credit card account.

Thanks
Regard:-
Jamshed mohammad
Mob - [protected], [protected]