Explanation:

- 1905: This year is significant in Indian history due to the Partition of Bengal, which was a major political and administrative division by the British government. However, it is not related to the Congress split.

- 1903: No major events related to the split of Congress are associated with this year.

- 1907: This is the correct year when the Indian National Congress experienced a significant split. The division occurred during the Surat session, primarily between the Moderates and the Extremists.

- Correct Answer: 1907

- 1908: This year did not witness the Congress split but followed the aftermath events and continued tensions.