This is an interesting thread. Valuable advice of learned experts/members is sought to help the querist and to enrich the forum. As per post of Ms. Vijayita whole leave is permitted or sanctioned on record. It is felt that since there is no intruption of service, thefefore should be eligible for gratuity.
Payment of Gratuity Act
For the purposes of this Act, -
(1) an employee shall be said to be in continuous service for a period if he has, for that period, been in uninterrupted service, including service which may be interrupted on account of sickness, accident, leave, absence from duty without leave (not being absence in respect of which an order [***] treating the absence as break in service has been passed in accordance with the standing order, rules or regulations governing the employees of the establishment), lay off, strike or a lock-out or cessation of work not due to any fault of the employee, whether such uninterrupted or interrupted service was rendered before or after the commencement of this Act.