(a)The Government reserve to themselves the right of withholding or withdrawing a pension or part thereof, whether permanently or for a specified period if, in any departmental or judicial proceeding, the pensioner is found guilty of grave mis-conduct or negligence during the period of his service, including service rendered upon reemployment after retirement, and such withholding or withdrawing the pension may be effected irrespective of the fact whether or not any pecuniary loss on account of such grave misconduct or negligence was caused to the Government, to any local body or to any Co-operative Society comprising of Government servants and registered under the Tamil Nadu Co-operative Societies Act, 1961;