Which of the following didn't support the Two-nation theory proposed by the Muslim League during the freedom struggle?

Congress

Congress party opposed the partition of the country proposed by the Muslim League in the Two nation theory on basis of religion.

According to the ‘two-nation theory’ advanced by the Muslim League, India consisted of not one but two ‘people’, Hindus and Muslims. That is why it demanded Pakistan, a separate country for Muslims.
This theory fueled the demand for a separate Muslim-majority state.
Furthermore, it is important to note that not all Muslim-majority regions expressed a desire to be a part of Pakistan. Khan Abdul Ghaffar Khan, widely known as the 'Frontier Gandhi', strongly opposed the concept of two-nation theory.