I received msg. And some one who call me to give to me the winnig prize of coca cola international mobile drawing 2013 500,000 gbp its truth

Location/place: Kerala,india

Sir, please tell me.. i received a msg. Just one weeks ago and i answered and someone who call me to gave me the prize and firstly i was to deposite 15600 tax in indian rupee sir please tell me the truth my mobile number is 9567018827 and iam from kerala ,india sir please take a decisionto this problem