Section 40(2)(a) in The M.P. Civil Services (Pension) Rules, 1976
(a)pension including additional pension under the existing rule applicable to him before 1st September, 1950, as amended from time to time, reduced by the pension (other than additional pension) equivalent of death-cum-retirement gratuity admissible under Rule 44 calculated in accordance with the Table prescribed under Madhya Pradesh Civil Pensions (Commutation) Rules, 1976 applicable at the time of retirement of Government servant;