Taxability of gratuity payment

As per Income tax act, 1961-Any other gratuity received by an employee on his retirement or on his becoming incapacitated prior to such retirement or on termination of his employment, or any gratuity received by his widow, children or dependants on his death, to the extent it does not, in either case, exceed one-half month’s salary for each year of completed service[calculated on the basis of the average salary for the ten months immediately preceding the month in which any such event occurs, subject to such limit as the Central Government may, by notification in the Official Gazette, specify in this behalf having regard to the limit applicable in this behalf to the employees of that Government] :