Substantive review powers cannot be created by executive direction; vesting orders remain final absent narrow statutory grounds for reopening.

Executive directions or administrative orders cannot, without express statutory conferment, create a substantive power of review in a revenue or land authority to reopen concluded vesting determinations; hence an administrative review issued solely by executive instruction is void for want of jurisdiction. The statutory retention criterion requiring exclusive engagement in agricultural farming as at the relevant cut off date must be proved by evidence available at the original inquiry; subsequently produced or belated documents and absence of the narrow grounds for reconsideration (newly discovered evidence with due diligence, patent error on face of record, or equivalent) do not invalidate a prior vesting order, which therefore remains effective on the merits.

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Issues: (i) Whether a revenue/land authority could, by executive direction or under Section 57A, exercise a substantive power of review to reopen and set aside a concluded vesting order; (ii) Whether the statutory condition under Section 6(1)(j) of the West Bengal Estates Acquisition Act, 1953 for retention of land (exclusive engagement in agricultural farming as on 1.1.1952) was satisfied such as to invalidate the 1971 vesting order.

Issue (i): Whether a revenue/land authority could, by executive direction or under Section 57A, exercise a substantive power of review to reopen and set aside a concluded vesting order.

Analysis: Section 57A permits the State Government to invest specified authorities with certain civil court powers; however, statutory and precedential law requires an express grant to confer the judicial function of substantive review on quasi-judicial executive authorities. The statutory scheme, including the proviso to Section 57B(3), restricts re-opening matters already enquired into or determined. Principles of separation of powers, independence of judiciary, and authorities' limited adjudicatory role further constrain any broad reading of Section 57A as conferring a power to review concluded vesting determinations. Established case law requires specific legislative conferment of review powers; an executive order cannot supply substantive jurisdiction absent statutory authorization.

Conclusion: The revenue/land authority lacked jurisdiction to undertake substantive review of the concluded vesting order; the 2008 review order is void ab initio.

Issue (ii): Whether the statutory condition under Section 6(1)(j) of the West Bengal Estates Acquisition Act, 1953 for retention of land (exclusive engagement in agricultural farming as on 1.1.1952) was satisfied so as to invalidate the 1971 vesting order.

Analysis: The statutory precondition requires proof of exclusive engagement in farming as of 1.1.1952. The earlier vesting proceedings afforded multiple opportunities and found no satisfactory evidence establishing exclusivity. Documents subsequently relied on were either not produced at the relevant hearing or were dated after the determination. Review principles (Order XLVII Rule 1 CPC) permit reconsideration only on narrow grounds (newly discovered evidence with due diligence, obvious error on face of record, or analogous sufficient reasons), none of which are met where material was in the litigant's custody and not produced earlier and where no patent error appears on the record.

Conclusion: The statutory condition in Section 6(1)(j) was not proven; the 1971 vesting order does not suffer legal infirmity on merits and remains valid.

Final Conclusion: The executive direction and consequent 2008 review order were without statutory authority and unlawful; the Tribunal's order quashing that review was correct and is restored while the High Court's reversal is set aside, leaving the original 1971 vesting order in full effect.

Ratio Decidendi: In the absence of an express statutory conferment, an executive instruction under Section 57A cannot be construed to empower an executive quasi-judicial authority to exercise a substantive power of review over a concluded vesting determination, and reopening a determination is barred by the proviso to Section 57B(3) and principles limiting review to narrowly defined grounds under Order XLVII Rule 1 CPC.

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