1. Download SuperOneClick (its Free Search in www.google.co.in)
2. got to your mobile Setting - Applications - Enable Unknown sources- Development- Enable USB debugging (Debug mode when USB is connected) - press OK.
3.Connect your Spice Mobile MI 280 to your PC via a data cable.
4. Run SuperOneclick.exe
5. Click on �Root� in the �SuperOneClick� window
6. Wait until SuperOneClick displays the message �Your Device is rooted�