- The 7th Constitutional Amendment Act, 1956, implemented the recommendations of the States Reorganisation Commission and reorganized states on linguistic lines. It also rationalized the allocation of seats in the Lok Sabha and Rajya Sabha based on the reorganized states. This amendment, among other things, adjusted the limits on the number of seats in the Lok Sabha to accommodate the new state structure. - The 31st Constitutional Amendment Act, 1973, increased the maximum number of seats in the Lok Sabha from 525 to 545. It increased the number of seats to be filled by direct election from the states from 500 to 525 and reduced the number of seats from Union Territories from 25 to