Tata Motors — Average problem , enigene problem in indica vista

i have purchase indica vista LX from hemant motors patiala dt. 15/12/2013 in average problem & enigne sound for tractor type less.coolent 1.5 m.l. per kilomiter & Average 14 kilometer per liter diesel, Hit up enigne man is problem ke bare men hement motors patiala ko ten time dikha chuka hoon jo abhi tak solave nahi haui please solave the my problem Regards Manoj Kumar Contect No. [protected],[protected]