Hero Motocorp — Hero glamour bike gear problem

Address:

Surest Kumar lehragaga dist sangrur punjab

I purchased a bike last year in Diwali but after a weak later I experienced problems with my bike related to gear box as while driving the bike it goes to neutral automatically I complained about it to service center number of times and repaired the bike from service center number of times even after the problem is still there and not after that they say your bike has no problem while I facing the same issue now and Don't no what to do even my bike is under warranty I complaint the bike problem to regional manager or some high authority person but they even don't do anything about the same now after lot of headache with a bike now exploring legal advice on the same