How to root android device?

Follow the steps given below:-

1. Download universal_gb_root.zip file from here(http://www.mediafire.com/?4qxfe3v7c9d1bf1).
2. Copy this file on your sdcard.
3. Switch off your cell and enter into recovery mode(different android devices have different ways to enter
    into recovery mode...just google it for your particular device..for samsung devices it can be done by
    holding home button and power button..!!).
4. Recovery mode has options like update via sdcard,wipe cache,wipe data etc(scroll through the options
    using volume up & down button and select an option by pressing home button).Select update via sdcard
    option which lists all the files and folders available on your sdcard.
5. Locate universal_gb_root.zip file and select it...and installation will start...once it is done the system will
    reboot.
6. That's it....you have successfully rooted your device...you can see super su app which confirms rooted
    android device..!!