http://www.amazon.in/gp/aw/d/B009C16340/ Product Features Supports SD system specification version 2.0 Supports SD SPI mode Card capacity of non-secure area, secure area supports specifications Convertible to full SD card size with an adapter (optional) Guarantees minimum data transmission of 6MB/s Default mode : variable clock rate 0-25MHz, up to 6MB/ sec interface speed High-speed mode : variable clock rate 0-50MHz, up to 10MB/sec interface speed @Snapdeal Rs.691 http://m.snapdeal.com/product/strontium3/72549;jsessionid=AC5AB42AD128B3D304FD3F56537991EA.snapdeal @Flipkart Rs.842 http://www.flipkart.com/strontium-microsd-card-32-gb-class-10/p/itmd5fh8chumxyfg