Winning $500000 in nokia promo message

Dear sir, does rbi delhi branch has got any e mail address like "services@rbigroup.In" ? I have been informed, by sms today at 04:5027am, about this mail address through mobile number 9638 (nokia promo) asking for my banking details. Pl intimate at the earliest the genuineness of the address and phone number or any tie up with nokia mobile phone firm for payments through rbi delhi branch? I have not made any communication with the addressee thanking you. The sms reads your mobile number has won $500000 in nokia promo. For claims send your mobile no. To rbi delhi branch through email: @rbigroup.In