hero showroom pune - regarding my new bike service

i had issue with my new bike hero hf delux , that i bought * months ago but battery of bike is already dead or discharged then i contact showroom tell them about my problem because warranty on bike battery is for ** months, but i just got that batterys warranty gone few months ago and now they avoiding me daily, also they removed my current battery and told they will give me new one but * days are gone and they still avoiding me , mentally i'm stressed now , * to * time i visited showroom , waited hours , but no one taking me serious . please do something.