Seagate STEA1000400 1TB Expansion Portable Hard Drive (Black) at amazon rs.4010
http://www.amazon.in/dp/B00TKFEEAS/ref=gbmi_img_mob_s-1_4887_da56511e?m=A14UQ4H17XUX90&pf_rd_p=887894887&pf_rd_s=slot-1&pf_rd_t=35801&pf_rd_i=1002&pf_rd_m=A1VBAL9TL5WCBF&pf_rd_r=18XD0W6JDNE91AM5JVXV