Micromax Informatics — refuse to give service

Address:

Mumbai City, Maharashtra, 400701

I have bought a laptop micromax l1160 on 10/10/2018 with order number[protected] from amazon, within 2 months it has lan problem/keyboard issue/chipset issue / and some day before its formatted automatically and did not woke up, i have visited service centre at jp service vashi, navi mumba, maharshtra, given the original bill they refure to give service asking for some kind of c sticker that had in the packing box, but due to no where mention to keep the box securely i have thrown it in dustbin on or before 1 months, they says its warranty is over, hah such a stupid excuse which product i have bought before 2 months how should be its warranty could be over, contacted amazon and micromax care with this issue but still no response my complaint number with micromax is 977597,
Such a stupid services