Amazon India — Complaint related to cheating and cancellation order of product after confirmation by amazon

Address:	Bangalore, Karnataka, 560055
Website:	www.amazon.in

Hello sir,
i am amazon older customer. Email id: jain.[protected]@yahoo.in and mobile no. [protected]. i want to told you that i purchased a product through amazon.in on 27/03/2016 i got a mail regarding order confirmation and order number:[protected].
i ordered moto G Turbo (white) at cost of Rs 4999/- by using coupon code: GYJQJ3YW discount Rs7500/-
after somer time amazon.in automatic cancel the order with out any information. this is totally cheating by amazon to their valuable customer. which is untolerable. i want to deliver my product with in time.
when i complain against it .then amazon told me offer by mistake.and they take action against who uploaded offer.
But i want to ask that if amazon commit mistake but customer doesn't so why customer have to pay for that. first, amazon fulfill their promises and deliver the product otherwise amazon is also a fake company we will never come to purchase any product through amazon even amazon is a reputable company in world and such sameful behaviour not suited to such company.
if legal action will not taken soon.
i forward my complain again and again till any where. such cheated company will not have any right to sell their product in BHARAT
thanking you to listen me.
regards
i have a request to consumer court to take legal action against amazon like companies and justice to their consumer for keep faith in system process.
i wait for a great response from consumer court.
thanking you again