Hero Motocorp — About bad product quality & no exchange the bike

Address:

Churu, Rajasthan, 91

I purcasesd a hero splendor plus bike from ashok motors churu district churu rajasthan, i have passed 1 month to purchase bike, i hve got a major problem in hero bike, bike engine give bad noise like a old bike, when a bike run 100000 kilometer way then give bad noise noise, my bike give these noise when i purchased it, and its run 2000 km but bad noise are not gone now, i want solution these problem immediately, so care my problem quickly,