cheated Rs 2.5 kakhs

I have been called firstly to buy the LEVUS COMBO OFFER worth Rs 6999/-for which thd assured gift shown by the executive was HP laptop,which was not delivered to me when i paid the amount.After one day,the call from executive Mr.UDAY was received by me on behalf of my wife MRS INDIRA DWIVEDI and was told that my wife had been qualified for winning the new i20 car for which i have to deposit Rs 20000 + 20000 for verification & nominee charges,i paid the total amount.
Again,after one day,calls were received from the same executive saying that amount of Rs 64000 is to be paid for RTO FORMALITIES,which also was paid by me through SBI COLLECT SITE IN THE NAME OF DEELS ON DOORS.again calls were done to make payment of Rs 60000 as bank verification,40000 for event of prize distribution and 46000 for making the refund amount to 150000,giving the cause that bank will not release the amount less than 150000.i paid all the amounts through the same process.But upto now neither my amount 150000 has been refunded nor any event has been organized. Please help me fir refund of my amount as my mother died on 20/6/2016 and i am in urgent need of the same.