Flashtech Retail — product not delivered

Address:

5752,2nd floor Karol bagh Db Gupta road, New Delhi, Delhi, 110052

I have a order vivo y17 through flipcart in 18july 2019 courier delevery date i got message your courier delevered 20 july but not delivered till date when i called to they are saying your num not reachable but i fail to receive 1st attempt then he called me 2nd or 3rd attempt. This company no have any numbers for contacting totally fraud only chatting but not response. Amount already deduct my account flipcart saying can't canceld this product and no have taken any garrente for amount reversel. Pls do the needful.