The members of the Constituent Assembly had a huge task of drafting the Constitution. They very well knew that the country was made up of several different communities who spoke different languages, belonged to different religions, and had distinct cultures.
The members were careful about the turmoil, India was going through. Overhanging partition, undecided future of the Princely states, disheartening Socio-economic condition of the vast mass of people. They rose to the occasion and gave this country a visionary document that reflects a respect for maintaining diversity while preserving national unity.