Exide inva tubular
No replace battery

I have purchased EXIDE INVA TUBULAR BATTERY IT 500 ON 0422008.Its just 24 months, my battery backup reduced to only 2hr. I have complained to dealer from where i purchased it but, there is no responce from them.i have tired to call them to solve my problem but they never try to solve my problem, sometimes they disconect my cal, or misbehave.so i have posted my problem here because i think only u people can solve my problem.i want to give the full details of my battery details:-

NAME OF PURCHAGER: YASH VARDHAN KUMAR

ADDRES: VILL POST- PARWALPUR DIST - NALANDA BIHAR PIN:803114

PH- 9934274544

BATTERY TYPE: IT 500

BATCH NO. 1H07 SERIAL NO: 056333

DATE OF SUPPLY: 04-02

DEALER DETAILS FROM WHERE I PURCHASED:

NAME: GLOBE BATTERY & ELECTRIC WORKS

ADDRESS: RANCHI ROAD NEAR LIC OFFICE BIHARSHARIF (NALANDA)

PH-9431488001