Xiaomi India — More than 75 days passed no response from service centre

I have been suffering from the bad customer service for my faulty mobile...i had submitted my redmi 2 mobile on 30 june at siliguri service centre having job sheet no JS[protected]
yet i havtn't got any compensation from them.More than 75 days passed.Its too delay. ..worst service of redmi i have ever faced...totaly disaapointed
i have also complaint in xiomi cutomer care but they donot try to fix it