Answer : 1. "सत्येन्द्र प्रसन्ना सिन्हा"
Explanation :

1. Sir S.P. was the President of the Indian National Congress during the session of 1915. Sinha was. This was the 32nd session of the Congress, held in Mumbai from 1 to 4 December 1915. At this session, Congress reiterated its demand for self-rule for India and pressed for greater rights from the British government.

2. Some of the important resolutions passed in the 1915 session included:

- Demand for self-rule for India

- Pressure for more rights from the British government

- Demand for greater representation of Indians in the British Army

- Demand for improvement in education and employment opportunities for Indians