Micromax — canvas knight A350- mobile side buttons are not working

Address:

Madurai, Tamil Nadu

sir I gave my mobile for service last week on the complaint of my charging port was not working at madurai micromax care center (west vadampokki street) after one week they solve that problem and return that but after the return new complaint start my mobile switch on button and volume up buttons are not working properly and it hanging frequently. My back panel is also not sealed well.Please take necessary action on this complaint and give my mobile good in working condition and apearance as new.