Hero Motocorp — bike not working very bad conditions

Dear sir,

I am karunakar jha
I bought a new motor bike from hero motocorp and bike model is
Hero splendor+ i3s self start drum brake alloy wheel - i3s granite blue.
Since purchase 5 months onwards we are facing bike starting problem in my bike no self work no cick work properly automatically very bad conditions and stopping in the mid of road while moving, if i explain same issue to dealers they said poor driving skills you have to improve your driving skills. I don't want to take risk by holding this problematic bike. Either i wanted to return this to hero motocorp and need refund my money back
Kindly please help to resolve my problem.
Please sir please help me.

Name - karunakar jha
Mob number [protected]
Vechical no - dl3see2214