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. 
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