The correct answer is: B. Jaipal Singh
All Jharkhand States Union (AJSU) was founded in 1950 by Jaipal Singh, a freedom fighter and a leader of the Adivasi people of Jharkhand. The AJSU is a political party that advocates for the rights of the Adivasi people and for the creation of a separate state of Jharkhand.
Nirmal Mahato is a politician from Jharkhand who is the current president of the All Jharkhand Students Union (AJSU). He is a member of the Jharkhand Legislative Assembly and has served as the Minister of Finance and Planning in the Jharkhand government.
Paul Dayal is a social worker and a politician from Jharkhand. He is the founder of the Jharkhand Vikas Morcha (JVM) and has served as the Chief Minister of Jharkhand from 2005 to 2008.
None of the above options is correct.