HOW to reinstall androind v 2.3

[bsnltab]

I have bsnl tablet [FONT=arial, sans-serif]T-Pad IS701R 7.[/FONT]
[FONT=arial, sans-serif]i need to re install my OS.[/FONT]
[FONT=arial, sans-serif]becous i have some problems like mac adderess and wifi problem..

help me [/FONT]