Corporation Bank — bank fraud case (cash withdrawal by atm)

Address:

Raigad, Maharashtra, 410210

Dear sir/ Mam,
I have an account with corporation bank also ATM Card, Today[protected] in the morning I did 2 online transaction ( By internet banking login) 15000Rs And 5000Rs by my personal Pc from kharghar navi Mumbai after confirmation massage. I got massage of withdraw 5000Rs and 4000Rs by ATM at Charkop naka malad, I stunned But i Called up custmer care, there was no solution, then I Complaint consumer helpline they took my complain, and proceed, but they also told me that "i must complain/FIR nearest police station, But kharghar police denied for FIR/complain, I also communicated Cyber cell but they also want a FIR so please suggest me what should I do for return my balance
Kindly help me As soon As possible.
thank you