HTC India — Battery not found of htc desire 500

Address:	Dibrugarh, Assam, 786602
Website:	www.htc.com/in/contact/email

I have a HTC desire 500 but the battery back up of this phone is very low so i want a new battery, but I did not find it in the service center . service center located in Guwahati said that company closed manufacturing of all parts of this phone. So what should I do now please give me a solution.if you close manufacturing of its parts then i want a new cell phone of HTC. Otherwise i have to through it into dustbin because i can't use this phone without battery.I[censored] supply a new good condition battery then it will be helpful for to run this phone.