Bajaj Auto Ltd - warrenty is not given by company

bike purchase date : ** oct **** wattenty period of bike from the purchase is : ** months my bike battery is in the warrenty . my bike battery is not working properly then i go to rathor motors bajaj service center to replace/repair my bike batttery under warrenty and then they denied to replace it they told me to go exide service center to get warrenty. then i go to exide service center they check my bettery and told me that your battery is not working properly but we can't give the warrenty because bike is late purchase then bike showroom give you the warrenty of this battery. then i go to rathor motor they told me to buy a new battery without any warrenty. i attached some proof *. written proof of kay dee bajaj service center of battery is in warrenty period *. written proof of exide sevice center sector ** , to not give warrenty of this battery because bike is late purchase