Amaron batteries
Problem with battery

I purchased a amaron battery for my bike but it gets dis charged in every 5-10 days.i purchased in December .i got replacement for 6 times but still there is a problem with it . they say that there is a problem in bikes wiring .i got checked with 5-6 mechanics and at last the technician of amaron shop also checked but there was no problem with bikes wiring .i talked with them but they talked with me in a very rude manner i bought from anand . tell me what should i do