The makers of the Indian Constitution were aware that a strong and un…

The correct answer is Option (4) → All sections had freedom to practice their religion and develop their culture and language

Option (1) All sections adopted one national language and a common public culture — Incorrect. Making everyone adopt one language and one public culture is the kind of forcible imposition that weakens national unity. Indian unity rests on recognising differences.

Option (2) The culture of the majority was treated as the culture of the nation state — Incorrect. Treating the majority's culture as the nation's culture leaves minorities feeling shut out. The makers wanted every section to keep and develop its own culture.

Option (3) Religion was separated from the state and confined to the private sphere — Incorrect. Confining religion to the private sphere is the Western sense of separating religion from the state. The makers' condition was freedom for every section to practise its religion.

Option (4) All sections had freedom to practice their religion and develop their culture and language — Correct. The makers held that a strong and united nation needs every section of people to be free to practise its religion. Each section must also be free to develop its culture and language.