Amaron — I am complaining about battery backup after servicing

Address:	Kurnool, Andhra Pradesh, 518001
Website:	www.amaron.in

After complaint of low battery backup at official amaron kurnool centre after the completion of the service the battery backup is still very low than before giving a back up of 15 mins it is under guarentee period and the service centre people are not responding to the complaint.the battery are tubular tall batteries of amaron company . please do lodge a complaint against them and the required documents will be shown