Section 47(12)(a) in The M.P. Civil Services (Pension) Rules, 1976
(a)(i)As soon as a Government servant has completed one year's continuous service, he shall give details of his family in Form 3 [x x x] [Omitted by Notification No. FB-6-1-77-N-II-IV, dated 1-2-77 (w.e.f. 1-8-1976).] to the Head of Office.