Economic disparity was not a major challenge faced during the political unification of India. Linguistic diversity, cultural diversity, and geographical diversity were the major challenges.

Hindi was chosen as the official language of India after independence.

The main reason behind the linguistic reorganization of states in India was to address the demands of linguistic minorities.

All of the above states were formed as a result of the linguistic reorganization of states in India.

The Indian National Congress played a major role in the integration of princely states into the Indian Union.

Jawaharlal Nehru was the first Prime Minister of India.

The main objective of the Indian National Congress during the freedom struggle was to achieve independence from British rule.

Communal violence was a major challenge faced by the Indian National Congress during the freedom struggle.

All of the above were major achievements of the Indian National Congress during the freedom struggle.

All of the above were major factors that contributed to the success of the Indian National Congress in achieving independence.

All of the above were major challenges faced by the Indian government after independence.

All of the above were major achievements of the Indian government after independence.

All of the above were major factors that contributed to the success of the Indian government in achieving economic development.

All of the above were major challenges faced by the Indian government in achieving social equality.

All of the above were major achievements of the Indian government in achieving social equality.