Royal Enfield — loud sound while shifting gear

Address:

WZ - 1, Ganesh Nagar, Delhi, New Delhi, Delhi, 110015

I bought a new bike - enfield classic 350 gunmetal gray colour on 6th of september 2019. From day one i am facing a problem of loud sound while shifting the gear. I informed this to the showroom (Lamba enterprises, ganesh nagar, delhi) and also their service center however they said that the sound will go after 1st service. Today (18th sept) i got my 1st service done however the sound is still very loud. I drove my friend's classic who bought it about one week before me and his gear changing was lot smoother than my bike.
I read one of the complaint from a person who was having the same problem and eventually his gear parts got damaged due to the loud sound. Company told him that the gear parts are not included in the warranty so that guy would have to bear the cost. I don't want to go into the same situation and want a solution before the condition get worse. Can i please get help on this and get my bike replaced (As it's just couple of weeks old) or the faulty parts replaced before the problem becomes bigger.

It feels very bad when you spend 1, 77, 000 on a bike and you get such a bad experience. Please help.