The Constituent Assembly formally began its task of framing the Constitution of India on the 13th of December, 1946 with Jawaharlal Nehru moving the Objectives Resolution. The purpose of the resolution was to “… proclaim India as an Independent Sovereign Republic and to draw up for her future governance a Constitution...” The resolution put forth broad principles that would inform the working of the Constituent Assembly. The Constituent Assembly adopted the resolution on 22 January 1947.  

Resources

The Objectives Resolution put forward by Jawahar Lal Nehru and the debates that revolved around it can be accessed in Volume 1 and Volume 2 of the proceedings of the Constituent Assembly Debates.