Section 9(2)(a) in Maharashtra Housing and Area Development Authority (Absorption, Seniority Pay and Allowances) Rules, 1980
(a)in the case of an absorbed employee other than the one covered by clause (b), who in the existing Board was assigned seniority otherwise than on the basis of length of continuous service, from the date on which his continuous service would have commenced, had he been appointed to the corresponding post in the order of seniority as on 4th December, 1977 of the employees of the existing Board, absorbed in the same cadre from the same Board;