Explanation:

- The Seva Samiti was established at Allahabad in 1914 as a social service organization to address issues like public health and education.

- Hriday Nath Kunzru was a prominent figure associated with the Servants of India Society, which was committed to social service.

- Kunzru played a significant role in creating organizations that helped in the upliftment of society through various initiatives during that era.

- Other options:

- Shri Ram Bajpai: Not widely known in historical references for founding the Seva Samiti.

- S. G. Vaze: A member of the Servants of India Society, but not linked to this founding.

- Srinivas Shastri: Known more for his political influence rather than establishing this particular society.

Correct Answer: Hriday Nath Kunzru