Section 10A(2) in Tamil Nadu Land Encroachment Act, 1905
(2)The power conferred by sub-section (1) shall not be exercised except on the ground that the officer or authority whose decision or order is sought to be revised appears to have exercised a jurisdiction not vested in him or it by law, or to have failed to exercise a jurisdiction so vested, or to have acted in the exercise of his or its jurisdiction illegally or with material irregularity.