Her dependents shall be paid gratuity for the service period, i.e., two years, calculated at the rate of 15 days' salary for every year of service. Roughly, it will come to one month's salary. If you have any gratuity policy taken with a death cum gratuity scheme, then the dependents would get gratuity based on a valuation considering salary and service till superannuation, i.e., 58 or 60, as the case may be.
Gratuity Calculation
Gratuity is calculated as follows: Monthly Salary / 26 x 15 x 2 years (service)