Tata Walky — Tata walky battery and charger required

Address: Sandeep Steel Industries, Plot no 18 & 19, Anrich Ind. Estate, IDA bollaram. 502325

I have 4 TATA Walky WI-BRIDGE RM2G102 GSM Wireless Phones. I need batteries and charger for every phones. I have not find any sources for it. kindly provide the alternatives

my address: Sandeep Steel Industries, Plot no 18 & 19, Anrich Ind. Estate, IDA bollaram. 502325

Mob No. [protected]/[protected]

Regards
Parashmoni Nath