Flying Machine — Issue for high price while online price is very low

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I have perchased flying machine jecket from shaheen bhag new delhi(110020).
whos is price 2700 rupees. but i have not received flying machine company bill. only i have received ATM swipe bill.
but this is main issue ...
this is jecket online price 1700.
and this jecket shop price 2700.
sir... i want to say ...why are you cheating with our customer.