Consumer Redressal

i had purchased bajaj discover 125 ST on 14-01-2014 from khandelwal bajaj showroom-Bilaspur add-sipat road,sarkanda,bilaspur. ph no- 07752-255222,255333. email-kaplbajaj@gmail.com. since next day the bike jumps when put into first gear. this happens every morning and everyday or twice a day if bike is turned off for atleast 3-4 hrs and bike had knocking problem. complaint was made to concern dept of showroom where the service manager assured it will settle down as its new engine and if problem persist he will be cleared in 1st service.i asked again and again if its a defective machine, he said NO.bike is jumping even after 1st service,i have been given defective bike intentionally even after i asked to change the bike at time of delivery.they assured it will be changed if any problem arises,now no one is responding,bikes machine was opened by the mechanic and found it has manufacturing defect of clutch plates,still bike is jumping and creating prb while riding.