Sony 8Gb Class 4 microSDHC Memory Card at amazon rs.260
http://www.amazon.in/dp/B009FXPYVI/ref=gbmi_img_mob_s-1_4887_b896ecb1?m=A2BGXJ1ZGE1UW5&pf_rd_p=899134887&pf_rd_s=slot-1&pf_rd_t=35801&pf_rd_i=1003&pf_rd_m=A1VBAL9TL5WCBF&pf_rd_r=1M7NHT1SS00WDCJVJS5K