Fiat Punto Grande - worst suspension and after sale service

I have purchased Fiat Punto on 2014 Aug 29 from AV Motors Hyderabad, Telangana.From the very second day I have been complaning about the gear Nob Rattling Noise,3rd gear loss of power,supension & Streeing cloumn Noise.I have been to AV motors service center  19times to get the problem resovled,They have changed my struts & Struts Mounts twice but the problem still persist.So I have changed service center and started going to Butta Automotive Service center 11times even they have worked on same issues,They were able to fix gear Nob & 3rd gear issues(Which has taken 6months to be resloved) changed struts for 3times but the problem wasn't resolved.I also complained same issue to Fiat India for which they didn't respond intime.Finally they gave call back and said they are doing R&D on it so they will get back to me ASAP.that was in the month of April.Now its july so I called them back and asked about the solution they said R&D is still going & they dont have exact time frame.I am facing this issue from past a year.IF ANY ONE IS PLANNING TO BUY FIAT PLEASE THINK TWICE BECAUSE THEIR AFTER SALE SERVICES REALLY BAD, I WOULD RATHER SAY ITS WORST