Explanation:

Phulan Prasad Varma 

• Bihar Socialist Party was formed in July 1931 by Ganga Sharan Sinha, Rambriksh Benipuri, Phulan Prasad Varma, and Ramanand Mishra.
• Bihar Socialist party later provided the foundation for Congress Socialist Party in 1934.
• The party had the following objectives-
• Propagation of Socialist ideas.
• Formation of labour and peasants organizations.
• An organizing committee of the party was established with Abdul Bari as President, Ganga Sharan Sinha, and PP Verma as Secretaries, and Ambika Kant Sinha as the Treasurer.