UPS battery Problem

Aoa dear members,

I had installed bridge power battery model RB220 with Homage neon series inverter model no 1203..upto 5 months the battery worked fine, but now 2 months have passed the overcharging issue is there..The ups is continuously charging the battery as a result battery heats up and it consumes water alot, sometimes the battery dries within days.

Is this a major issue of battery? Some sort of major defect problem is there? I had purchased the battery in July 2015 so about 7 months have been passed.

Kindly someone elaborate this defect..