In case of Civil Servant death it shall be granted to Widow of employee for years if she does not marry?

In case of Civil Servant death it shall be granted to Widow of employee for years if she does not marry?
(a) 10
(b) 15
(c) 20
(d) 25
✅ Correct option: (c) 20
Explanation: Widow receives the benefit for 20 years or until remarriage.