Micromax — mobile phone not charging.

Sir, mobile given for service on 7/5/2015 at Coimbatore, they return it on 15/5/2015. They told the problem(not charging) cleared, but stilled the phone is not charging.The mobile is in warranty & I purchased it for rs 9000.Already it taked 10 days. Now it take how many days I did not no. The service is very bad.I am feeling why I purchased Micromax, please inform a good result.N.SATHISH.[protected].