Chevron petroleum depatment
They making us full

I got msg that you have won 500, 000pounds from chevron company and philip gore come to delhi and he call us that custom clearance charge is Rs 39, 400 i had give this by bank philip gore gave account no. and we sent money to that then he tell for Rs1, 59, 000 for foreign exchange and know he telling that for some drug department certificate RS2, 00, 000 you have to give it... total we had give 1, 98, 0000so tell how to get money back... please give suggestion