The correct options are
A Indians started to absorb new ideas such as secularism and democratic principles,
C Indians learned to question the old beliefs and developed rational thoughts.
D Indians started appreciating their history and culture.
With the introduction of modern education in India by the British, Indians started to absorb new ideas such as rational thinking and developed nationalism. Earlier they had looked up to the British culture as superior to their own. But now Indians took pride in local literature, languages, and culture. People questioned old beliefs and customs, and some even challenged discrimination based on caste and gender.