The Central Civil Services (Conduct) Rules, 1964

21. RESTRICTION REGARDING MARRIAGE:

(1) No Government servant shall enter into, or contract, a marriage with a person having a spouse living; and

(2) No Government servant having a spouse living, shall enter into, or contract, a marriage with any person:

Provided that the Central Government may permit a Government servant to enter into, or contract, any such marriage as is referred to in clause (1) or clause (2), if it is satisfied that -

(a) such marriage is permissible under the personal law applicable to such Government servant and the other party to the marriage; and

(b) there are other grounds for so doing.

(3) A Government servant who has married or marries a person other than of Indian nationality shall forthwith intimate the fact to the Government.

Government of India Decisions:

(1) Procedure for dealing with requests from Government servants for permission to remarry while first wife is still living. [MHA OM No. 219/51-Ests. Dated 16.02.1955]
(2) Inclusion of a provision in all rules of recruitment to the effect that the restrictions against bigamy will apply to female Government servants also [MHA OM No. 25/5/55-Ests., dated 31.05.1956]
(3) Form of declaration to be obtained from new entrants regarding their having one or more than one wife. [MHA OM No. 25/52/57-Ests. (A), dated 02.01.1958]