Wayona WYN 12 150Mbps 1T1R 2.4Ghz 802.11n/g/b Soft AP Wireless Mini USB Wifi Adapter at amazon rs.285
http://www.amazon.in/dp/B00M3AXOD0/ref=gbmi_img_mob_s-1_4887_dffa35cd?m=A2V43CXDBM3YTI&pf_rd_p=887894887&pf_rd_s=slot-1&pf_rd_t=35801&pf_rd_i=1002&pf_rd_m=A1VBAL9TL5WCBF&pf_rd_r=02WP68JY6YQ3GCB5X9F1