Requirements
1. An Android Phone [Working Fine]
2. Internet Access
Steps
1. Download KingoRoot.apk on the android phone.
2. Install the downloaded application.
3. Open it will search for root access itself, since it found no root access, it'll ask you wether you want to root the mobile phone.
4. Tap on the ROOT.
5. Wait for some minutes, when it reaches 100% it will indicate the ROOT ACCESS OBTAINED.
Then you are good to go!