Statement-I is true. The 1907 Surat session of the Indian National Congress was indeed presided over by Rash Behari Ghosh. Statement-II is true. The 1907 Surat session is historically significant for the split between the Moderates and the Extremists factions of the Congress. Statement-III is false. The reunion of the Moderates and Extremists occurred at the 1916 Lucknow session. However, the President of the 1916 Lucknow session was Ambica Charan Mazumdar, not S.P. Sinha. S.P. Sinha presided over the 1915 Bombay session.