Amazon.in — late delivery of product

Website:

Amazon.in

I have placed an order and when i was checking out the amazon shows me the product will last deliver to me till 2 march 2020 but it wasn't. When i inquired about it they told me to wait another five days and added that it was their terms but they hadn't shows me this type of any terms. They hide this details because of this my many work schedule effects it wasted my time energy and money and even i details from their customers which is completely illegal.