Hope you find this format useful.
Mr./ Ms. XXX
Dear First Name
This has reference to your letter of resignation. As requested, you are relieved from your duties with effect from the closing hours of XXX.
Your full and final settlement will be made subject to your satisfactory handing over of all company property and material that may be in your possession. Your accounts will be settled as per the terms of employment.
Please ensure that you hand over all company-related property, including laptop, on or before your relieving date.
Kindly sign a copy of this letter and return to us for our records. Should you have any query / clarification, please feel free to revert to me.
We wish you the very best in all your future endeavors.
22nd December 2008 From India