Maruti Suzuki — rear gear shift problem in my ertiga vxi model 2014

i m an old customer of maruti suzuki since 1999, when i purchased my 1st maruti 800ac car which i had changed with an esteem vxi in2005.i was really satisfied with the quality of products, so in 2014 i decided to own an ertiga vxi.having reg.no.pb 11 bk 7447, which i think was my wrongest decision as there is a major problem in the gear shift of the car especially when to load in a reverse gear.while shifting to reverse gear it is giving problem in almost all the times, i like to inform u about the mileage i had just run my car near about 5942km, a problem which a person also told me that there was a noise while shifting of gears, when we stood near the engine of the car, there is no noise in engine when the car is start but there is anoise while shifting of gears, i had visited the company authorised service center for so manytimes but they have no solution for this, i have almost visited for 4 to 5 times the center they always take a test drive but not ready to realise the problem, at my last visit to the center i.e.hira automobiles, patiala, i says to make a job sheet of work they have done with the car, those people give me a job sheet of work they have done, they r not doing any thing except the adustment of the nuts i dont know why they have not any solutions now those r saying to pick up the 1st gear then pick reverse gear so that phase of gears get in proper phase.when i says them that is this the soln.then they r speechless, according to them this is not a major problem, then i got the no.of mr.shiv pushp which they say is a maruti engineer i contacted him telephonically he says me to send the no.of my car which isend him at the same time &he assures me to give me revert in half an hour which i m still waiting, sir, let me tell u that still the problem is existing & i have so many sleepless nights as i have a burden on my mind that i had choose a wrong product and waisted my money, as still i had run it to 5942km.im phasing such kind of promblems what will happpen when then car will be driven for a few years, i has to spare so many to visit the sevice centers of marutisuzuki, sir i m mentally upset after purchasing a such kind of product which acc. to me is not up 2 mark, sir a few peoples r saying me give the news in the newspapers so that the peoples those r also unsatisfied with the quality and phasing such kind of problem will come to join us for the fight as a few persons in my circle have the same problem, sir a few people says me to take a legal action and file a complaint in the consumer forum to get the justice, now i m cofuse totally to what to do eigther take the way to knock the door of consumer forum and request them if there is no soln.then pl. sell my car in the market and brought the money for me, so that i can forget it as a bad dream, and get some peace of mind, i, m forwarding my this complaint after being harrashed, & think for a positive response so that i can go forward in my daily life .neither thinking about my wrong decision, my contact no.is [protected].sir please do some thing for me pleaseeeeeeeeeeeeeeeeeeeeeeeeeeeee...my mail id is [protected]@gmail.com