Which Amendment Act made it compulsory for the president to give his assent to a Constitutional Amendment Bill?

The President’s power to veto a Bill for amendment of the Constitution has been taken away by substituting the word ‘shall give his assent’ by which amendment?

A bill for the amendment in Indian Constitution can be presented -

President Ram nath Kovind granted assent to which Constitutional Amendment Act on 18th August, 2021?

When was the first Bill for the amendment of the Indian Constitution presented?

Which amendment act give a constitutional status and protection to co-operative societies?