Micromax — Regarding Complained for Micromax Mobile purchase

As earlier complained but there is no respone from micromax customer so kindly draw attention and Mobile is not working properly so kindly change the new mobile and replaced it at earliest and we came to know that while it was given for repair so there is no response ccome from micromax gallery so far please do the needful in this regard and change it at earliest and it is unbelievable that after a few months how the mobile is not worked lodge our complained and take necessary action in this matter.