About they behaveir with customer and delivery details

Respected sir,

Recently I order a bag in Flipkart accutally the delivery date given by Flipkart is 3rd June 2018.now they say it will another 5 days from tomorrow they didn’t respect the customer. I paid money for this order though Flipkart pay later option they don’t give option to the to pay amount the after due date but they delay to deliver the order when questions them they behaveir rudely with customer