Gratuity claim for 4 years 240 days of work conpletion

You may write NOW;

- under proper acknowledgment to designated HR person and good offices of appointing authority, MD/CEO that the 'Notice of Determination of Gratuity', payment of Gratuity, and requisite form if any may be supplied to you…….and necessary arrangements may be made to pay on LWD… 

-Or after LWD and getting reliving and above mentioned docs………. As IT suits you since you are closest to employer and IT’s attorneys in Line Management/HR etc and are aware of their attitude towards you and your hassle free relieving….. So you may apply your own judgment…’   If establishment/employer does not tender payment within 30days of LWD then IT has to tender interest @10%pa for the delayed period…  
 

GO thru; Payment of Gratuity Act,1972;1, 2,2A,7,9

https://www.labour.nic.in/sites/default/files/ThePaymentofGratuityAct1972.pdf

There are many threads on similar query at LCI e.g;

https://www.lawyersclubindia.com/forum/details.asp?mod_id=157568&offset=1

and you can download illustrations, judgments etc also.