Trai — complaining about fraud call

My mother is a pensioner. She got a call from [protected] and said that he is a pnb manager and asking atm details and said if she will not give bank account will be blocked permanently and cannot be open any more as government rule. My mother got scared given him all details and he said that she will get a otp no. But she didn't get any otp no. But when she told me about this i went to bank and bank staff told me that rs20000 online shopping has been done. Sir please take some strick action against him. We are middle class 20000 is a big amount for us... Caller said his name is deepak sharma and given another no. [protected] by this is his personal no. On true caller it is showing that his name is pardeep kumar..