About mobile draw uk

I am Khan Md. Alimuzzaman.i have got a message on mobile on 15.5.2014 that my mobile number has won me 5 lakh pound in 2014 pepsi int.                       My name:KHAN MD. ALIMUZZAMAN               Address-LECTURER GENERAL AND PHARMACOLOGY,DHAKA DENTAL COLLEGE AND HOSPITAL,MIRPUR 1206,DHAKA,BANGLADESH                                 Mobile number:01711957073