Xolo Q520s Mobile
Rs.4499

http://www.amazon.in/gp/offer-listing/B00T0AX2SS/

PC :
Snapdeal -
http://www.snapdeal.com/product/xolo-q520s/670869051162 Rs.4499

Homeshop18 Rs.5699
http://www.homeshop18.com/xolo-q520s-dual-sim-android-mobile-phone/mobiles/mobile-phones/product:32979893/cid:3027/

Infibeam Rs.5299
http://www.infibeam.com/Mobiles/xolo-q520s/P-mobi-93839627816-cat-z.html