Ambrane P-1310 13000 mAh(Black, Grey) Rs.899 from Flipkart
http://www.flipkart.com/ambrane-p-1310-13000-mah/p/itme8kj5caedgg4h

Extra Rs. 100 Off On This Product – Only On App

List Price: Rs. 2,499
Selling Price: Rs. 1,199
Special Price: Rs. 899 (64% OFF)
(Free delivery)
Black, Grey: http://www.flipkart.com/ambrane-p-1310-13000-mah/p/itme8kj5caedgg4h
White, Black: http://www.flipkart.com/ambrane-p-1310-13000-mah/p/itme8kj5caedgg4h?pid=PWBE3GDFASZPWEGQ
White, Blue: http://www.flipkart.com/ambrane-p-1310-13000-mah/p/itme8kj5caedgg4h?pid=PWBE3GDFZGYGEZQS

Key Features of Ambrane P-1310 13000 mAh
13000 mAh Capacity
Portable Charger
LED Torch
Indicator Lights
On / Off Button

Price Comparisons
Amazon @ Rs 1199
http://www.amazon.in/Ambrane-Power-Bank-P-1310-White/dp/B012NH7PQ4
Snapdeal @ Rs 1199
http://www.snapdeal.com/product/ambrane-13000mah-powerbank-white-and/636966047361
HomeShop18 @ Rs 1199
http://www.homeshop18.com/ambrane-13000-mah-power-bank-p-1310/mobiles/mobile-phone-accessories/product:32967035/cid:16267/
Infibeam @ Rs 1075
http://www.infibeam.com/Portable_Electronics/ambrane-p-1310-13000mah-power-bank/P-poel-98414901611-cat-z.html
Shopclues @ Rs 1078
http://www.shopclues.com/ambrane-p-1310-13000-mah-power-bank-white-black.html
Askmebazaar @ Rs 1099
http://www.askmebazaar.com/Ambrane-P-1310-13000-mAh-Portable-Power-Bank-p693476

since last week this is the price..
https://www.mytokri.com/ambrane-p-1310-13000-mah-black-grey-rs899-from-flipkart.41166/