Kaun Banega Crorepati — fraud

I got a call from this number[protected] on 4th sept. 2019, an unknown person told me that i have won a lottery of 25 lakh.. He told me to call another number rahul pandey. When i called he gave me a kbc's whatsapp number[protected] and i have to transfer rs.15000 to a akash mandal account. I transferred and later asked me to again transfer rs.37000 to the account name akash mandal. All this transfer i did on 4th sept. 2019. Now i want to recieve my lottery money and when i refused he started abusing me. Please try to find the fraud and recover my money back. Please contact me on [protected]and help me to nab this culprit.