Certain alienations of private forests to be null and void

Notwithstanding anything contained in any law for the time being in force, or in any contract or other document, or in any judgment, decree or order of any court, any sale, mortgage, lease or other alienation of a prh·ate forest or any portion of a private forest after the lOth day of May, 1971 and before the commencement of this Act shall be null and void. I I \ l I