Any employee working in an organisation for more than equal to 5 yrs is eligible for gratuity which is paid only on retirement or separation by means of resignation or termination, paid with his full n final account. it is calculated as (Basic)/26*15* no . of completed yrs of service , ie the employee is paid for 15days extra for every completed yr . if the part duration is more than 6 months it is taken as one full yr and if it is less thenit is treated null .