The Father of the Indian Constitution is B.R. Ambedkar. He is also known as the chief architect of the Indian Constitution.

Ambedkar's contribution to the Constitution of India is immense. He was the chairman of the Drafting Committee which was responsible for drafting the Constitution of India. Ambedkar was a visionary leader who was committed to the cause of social justice and equality. He worked tirelessly to ensure that the Constitution of India reflected these values.

Ambedkar's vision for the Constitution of India was based on the principles of liberty, equality, and fraternity. He believed that the Constitution should be a living document that could adapt to changing times and circumstances. To this end, he included provisions for amendments to the Constitution.

Ambedkar was also instrumental in ensuring that the Constitution of India was inclusive and representative of all sections of society. He worked to ensure that the Constitution protected the rights of minorities, women, and other marginalized groups.

In conclusion, B.R. Ambedkar is rightly regarded as the Father of the Indian Constitution. His tireless efforts and visionary leadership played a crucial role in the drafting of the Constitution of India, which is now recognized as one of the most progressive and inclusive constitutions in the world.