Looking for new 6s lipo kindly share some useful links of hobbystore sites in india or used batteries (in good condition)

For Best batteries try RCMUMBAI tattu batteries
for robust usage and for a beginner i suggest you to buy from RCbazaar
you can buy cheap and best from these mostly
more old hobby stores in INDIA at this link
http://www.rcindia.org/rc-outlets-and-resellers/mega-list-of-all-rc-outlets-in-india/
topic belongs to 2009 really old but few  are still working

Sent you a PM

please check following link which have 6s high quality battery.

MultiStar LiHV High Capacity Multi-Rotor Lipo Pack – 6S / 22.2v /10000mAh
http://www.rcproduct.in/product-category/batteries-accessories/multistar-multi-rotor-batteries/

Turnigy Bolt High Voltage Lipoly Pack (LiHV) – 5400mAh 6S 22.8V 65~130C
http://www.rcproduct.in/product/turnigy-bolt-high-voltage-lipoly-pack-lihv-5400mah-6s-22-8v-65130c/