Flipkart — Mobile exchange scam by flipkart and xonight ecommerce

Flipkart in association with xonight ecommerce running a sham scheme to exchange old mobile for buying new mobile. They force you to pay remaining amount in advance and make product nonrefundable. On delivery their ekart delivery will reject old mobile on frivilous ground not given in advance on website thus trapping you in buying from that third class non ethical supplier. There are hundreds of complaint of this modus oprendi and flipkart refuses to look into it and take action or atleast close that sham process. What can you expect from flipkart and it was mistake transacting on their website. They have created intentionally zero control over their vendors and running a toothless complaint facility. No wonder it ia far from best.