Mahanagar Telephone Nigam [MTNL] — They frauded with me by telling that it's a sim card charge of. 10 rs instead they took whole money from account.

Address:

C/303 raj palace samarth nagar majaswadi jog east Mumbai -60

On 19 June 2022 my mom got a call from.a number got a call from this number 91 [protected] on Sunday that there is KYC left on my sim card of mtnl . I said okay bcoz now my card Is of Airtel we have change the company but the number is same ..they said plzz pay rs 10 after that there will be no issue...i paid it and after 1 min from my account Rs 8000 amount have been removed ...transacted what should I do now...
After that they were not picking up my calls
I also complaint on the site where I paid the money.
But now they are asking the money transaction where they can see the money cut but I don't have issue but if the money cuts then what should I do
This is very serious issue please help it this should not happen to any other person I trusted it and now i am having a losss ...
Please go through my complaint