(2)Notwithstanding anything contained in sub-section (1), if a person had been a beneficiary for at least three years continuously immediately before attaining the age of sixty years, then, he shall be eligible to get such benefits as may be prescribed by the Central Government.Explanation. - For computing the period of three years under this sub-section as a beneficiary registered with a Building Workers' Welfare Board, there shall be added any period for which a person had been a beneficiary registered with any other such Board immediately before his registration with the Building Workers' Welfare Board.