Indian Army — I phone

Sir, jai hind I'm mithila shivaji belgaonkar from kalyan, maharashtra
I saw the I phoen x add through olx and I chat with him. He saying he is in BISF. He said I want to sell phone u give me half payment before and I courier to u. I done 4000 rs of 12000 rs then he send me courier and the yesterday morning he ask to me for money and the exact( 2 A.M.), the courier boy call me madam clear the mail verification then u get the courier He said he is nearby me upto 4 to 5 km . He call me again and ask for money again again he abusing me .they after I call CISF person he is my brother and asked his courier man asking me than his asked me clear your remaining payment than submitted your parcel otherwise return this product BISF headquarter and I'm asking first this product are submitted my hand than I have clear to your remaining payment than his cut the call and again not any reply me.
Name and mobile number.
Sandip Singh =[protected]
Courier boy =[protected]
phone pe account number =[protected]
I have only one times send payment in phone pe which is 4000rs .