Amazon India — I have not received the product not even refund of product since 21 days

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I have placed a order#[protected] of 1847.70 amount on 25th of october, 2019.in this i have not received one of the item called "kashish by shoppers stop womens round neck embroidered palazzo suit_red." this product's shipment is still showing preparing for dispatch in the application. Regardless of calling to the customer care multiple times, no resolution has been provided till now. I am not getting any communication regarding this order from amazon and there is no refund has been provided till now. It's been almost 21 days i am calling them but no strict action has been taken. It's a kind of harassment to the consumer. The amount of this product is 1320 rs. And this amount really matters for any middle class person. I have a request to please take strict action on this matter.