TP-Link TL-WN823N 300Mbps Mini Wireless N USB Adapter (Black) At amazon rs.617
http://www.amazon.in/dp/B0088TKTY2/ref=gbmi_img_mob_s-8_5067_de8a61b3?m=A2LDOZCORWDDHX&pf_rd_p=899135067&pf_rd_s=slot-8&pf_rd_t=35801&pf_rd_i=1001&pf_rd_m=A1VBAL9TL5WCBF&pf_rd_r=1Z6M8SVGVDW679RAXSGX