Which wireless router to buy for home?

I need a wireless router for my home.

Devices to be connected:
-Laptop
-Desktop Computer (via lan)
-Android phone

Connection type: Telephone line

Requirements:
-Dual Band
-802.11n standard
-WPA2 security
-IPV6
-USB port

Optional requirement:
SD card slot

Router being considered:
Belkin n600 db

Area of use: Different rooms of my house (India)

Type of Use:
-Browsing Internet
-Streaming online video and radio
-Download heavy files