@ravinderjhajj a forgotten password will require a factory reset. This will delete all your files like music, pictures etc. If you have not backed those up prior, they will be lost by this.
* The tablet must be powered off.
* Hold down Volume + button and Power button at same time.
* When screen comes on let go of the Power button only.
* When the large Android shows on screen let go of Volume + button.
* Use Volume – button to scroll to Wipe Data/ Factory Reset
* Tap Power button to select.
* Use Volume – button to scroll to Yes.
* Tap Power button to select.
* Tap Power button to select Reboot System Now.