Article 334 had stipulated that the reservation of seats should expire within a period of ten years from the commencement of the Constitution (i.e. 26 January 1960).
According to the Statement of Objects and Reasons appended to the bill, "Although the Scheduled Castes and Scheduled Tribes had made considerable progress in the last ten years, the reasons which weighed with the Constituent Assembly in making provision for the aforesaid reservation of seats and nomination of members had not ceased to exist."
It was introduced by Pandit Govind Ballabh Pant, then Minister of Home Affairs, and sought to amend articles 333 and 334 of the Constitution.
Clause 3 of the bill, which sought an amendment of article 334, was adopted in its original form by the Lok Sabha on 1 December.
[4] The bill, after ratification by the States, received assent from then President Rajendra Prasad on 5 January 1960, came into force on the same date.