Flipkart — Delay in delivery and cancellation

Address:

indai

Hi, i just order a maternity pillow on august 11 and its delivery date is updated by flipkart is 18 th of august, they not delivery the product by the date and changed the date to 21 of august, i give the office addres and updated the delivery time between 6 pm but the delivery boy call at 7 .45 pm on 21st they again changed the date of delivery within two days, i am connect with the flipkart they said will be updated within in 26 th of august, delivery agent again called on 23 rd after 6 pm do not delivery the product, i just tried with flipkart customer care they again changed the date to 28th of august, and after call with customer care they are cancel my oredr without my permission and refund the amount within an hour i am not placed the order to cancel i am waiting to receive the till 24 th i just want the reason of cancellation of the product without my permission