Location/place: Gangtok,Sikkim

Name of company/service: Club Mahindra Royal Demazong,Chongay Tar ,Near Rongay Jail,GRBA Road,P/O Raj Bhawan,Gangtok, East Sikkim .707103

Hello Sir,
I have received a msg on 18th,August 2011 that i have won a prize of 500,000.00GPB in 2011 Britesh Telecom INT’L mobile draw and to claim the prize contact [email protected]. IS IT TRUE OR NOT?? if yes than how can i get the prize?
Contact No.09547810976,07679372073