M. N. Chandurkar, C.J.

The question which arises for decision before this Full Bench is whether the Government Order No. 783 issued by the Rural Development Department on 30th April, 1981, giving effect to the guidelines with regard to the determination of seniority of persons who were appointed in the Panchayat Development Units in the Tamil Nadu Ministerial Service is constitutionally valid. Since the impugned Government Order was issued by the Government admittedly with a view to give effect to the decision of a learned single Judge of this Court in W.P. Nos. 401, 402 and 403 of 1975 decided on 12th December, 1977, which was confirmed by a Division Bench of this Court while disposing of Writ Appeals Nos. 394 to 396 of 1979, filed by the State Government, District Collector of Salem, and the Director of Rural Development, Madras, and, since, the contentions raised on behalf of the appellant in W.A. No. 462 of 1984, which was taken up along with the writ petitions which raise the same point, challenge the correctness of judgment of the learned single Judge as confirmed by the Division Bench, this Full Bench is necessarily called upon to consider the correctness of the v