Section 22(17)(a) in All India Services (Death-Cum-Retirement Benefits) Rules, 1958
(a)If a person, who in the event of death of a member of service while in service, is eligible to receive family pension under this rule, is charged with the offence of murdering the member of service or for abetting in the commission of such an offence, the claim of such a person, including other eligible member or members of the family to receive the family pension, shall remain suspended till the conclusion of the criminal proceedings instituted against him.