Try HCL ME U2, just perfect according to your criteria
There are slower class 4 sd cards available for 1100/- whereas I bought sandisk Ultra class 10 sd card which is why its expensive.U paid a lot mate for the card.. I bought the same card at 1400...
Use this guide to Connect ANY 3G dongle to ANY android tablet1) Must support Micromax MMX 353G USB dongle for connecting net
This will drain your battery a lot and you need an extra cable which has 2 Y usb heads on 1 side & micro usb on other side since 500gb cannot be powered enough with single micro usb port. Else power your drive with a powered usb hub.Must support 500GB USB 2.0 HDD
There are slower class 4 sd cards available for 1100/- whereas I bought sandisk Ultra class 10 sd card which is why its expensive.
This is what I bought 2 months ago
http://www.flipkart.com/sandisk-memory-card-mobile-ultra-32-gb-class-10/p/itmdadhjnz3ahvc8
this is the cheaper card class 4
http://www.flipkart.com/sandisk-mem...NFRM&ref=3a604792-03a4-4e41-a498-b137e12fc6e0