Reserve Bank Of India [RBI] — Chevrolet winning prize

Address:	Mumbai City, Maharashtra, 400709
Website:	Www.rezerve-online-bk-eu.pn

I live in mumbai, maharastra. i got email from CHEVROLET COMPANY UK. on date 29/03/2017.
Email i'd :- [protected]@hotmail.com
in that email, they said i win Demand Draft, but for receiving Demand Draft i have to pay custom duty is Rs.15, 500/-.
delivery officer of CHEVROLET company MR. ADAMS BRADFORD was contact me and he said (15, 500/- Rs) this amount pay on
Account Name:-MEHTAB SINGH
Account Number:[protected]
Bank Name:- CANERA BANK
then i received 2nd call from this no.[protected] for address proof & i'd proof, then i receivrd 3rd call from SARITA KUMARI (RBI), [protected]. she said check the email & pay for COT code (cost of transfer code) Rs.49, 999/- on
ACCOUNT NAME:- MR. JOHN LALRUOTSANG
ACCOUNT NUMBER:- [protected]
BANK NAME:- CENTRAL BANK OF INDIA
i transfer this amount by online, i received 2nd email from RBI and they gave me COT code. after COT code, she told me, go to www.rezerve-online-bk-eu.pn this website for transfer money. then she said pay Rs.1, 82, 000/- for TAX code & ANTI code. i paid this amount also on same A/c number. after the payment transfer process was successfully completed. then she gave me RBI Reference number.
then i got one more email from RBI is that upgration @fees.com of transfer reference, for upgrade my account. In that email they said, we have to upgrade your account, which you are required to pay Rs.3, 43, 500/- on same MR. JOHN LALRUOTSANG A/c.
but this amount is huge for me. i can't able to pay. can u tell me these all thing, this email and tranfer process is true or fake? Please verify and reply to me on my email i'd - [protected]@gmail.com