payment has done.but order not delivered ,cancelling automatically flipkart.

my order has been cancelled second time in succession for Filipkart. without any information from Flipkart side and giving wrong reason for cancelling.
As i have given order through credit card for which HDFC Bank already started to take interest for my EMI .
due to undelivery of my mobile since last 20 days .for such mental harrasement and business loss.
please suggest to me what i do. i have already sent the mail to Filpkart but there no any correct the reply flipkart team,

Please help to me .what i do.
\\Amit raj
Hello:-7781992350