Jio Mart — Cancelling my order without my concern.

I have ordered flower pot with the qauntity of 20 per order,
on the exact time i got confirmation status on whats app and text messsage about complete order detail. next day i checked order status on the jio mart app, its show 1 quantity with 0 amount payable (in short they cancel my order and didnt inform me)
Then i called customer care and told them about whole situation, they were saying that there is no order showing in your account, i gave them order id still they did not bother to give the right reason, they know order is cancelled thats why they keep telling mw to do the order again but product is out of stock now.
this type of things common now a days, they are fooling the customers

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i have atteched their whats app message showing the quantity and amount payable,

then i have attached jio mart order status screen shot showing 1 iteam only with amount payable 0
please look into the matter.