Nitish Kumār (born 1 March 1951) is an Indian politician who has been a Union Minister and is the Chief Minister of Bihar, an eastern state of India, since 2005. He belongs to the Janata Dal (United) party. As Chief Minister, he gained popularity by initiating a series of developmental and constructive activities including building of long-delayed bridges, re-laying roads that had ceased to exist, appointing over 100,000 school teachers, ensuring that doctors worked in primary health centers, and keeping crime in check.

Nitish Kumār was born in Kalyanbigha, Bihar to Kaviraj Ram Lakhan Singh and Parmeshwari Devi. His father was a freedom fighter and was close to the great Gandhian Bihar Vibhuti Anugrah Narayan Sinha, one of the founders of modern Bihar. His nickname is 'Munna'. He is a teetotaler, does not smoke, and is a frugal eater.

He has a degree in electrical engineering from the Bihar College of Engineering, Patna now NIT Patna. He joined the Bihar State Electricity Board, but almost halfheartedly, and later moved into politics.

Lalu Prasad Yadav (Devanāgarī: लालू प्रसाद यादव) is an Indian politician from Bihar. He was the Minister of Railways from 2004 to 2009 in the ruling United Progressive Alliance (UPA) government, and the President of the Rashtriya Janata Dal political party. He is a Member of Parliament in the 15th Lok Sabha from the Saran constituency in Bihar.

He entered politics during his student days at Patna University, and he was elected a member of the Lok Sabha in 1977 as a Janata party candidate. At the age of 29 he was one of its youngest members of Parliament.

He is famous for his charismatic leadership and mass appeal, and has been criticized for caste-based politics. and the corruption cases against him.

Yadav served as the Chief Minister of Bihar from 1990 till 1997, when he resigned following escalating corruption charges in the Fodder Scam. From 1997 to 2005, with brief interruptions, his wife Rabri Devi was the Chief Minister. Her political opponents often accused her as having served as his "surrogate." His tenure as Chief Minister of the state has been criticized for lawlessness and has been termed as the Jungle Raj.

Arvind Kumar Kejriwal (born 16 June 1968) is a retired Indian Revenue Service officer and an Indian social activist fighting for greater transparency in Government. He was awarded Ramon Magsaysay Award for Emergent Leadership in 2006, for activating India's Right to Information movement at grassroots and social activities to empower the poorest citizens to fight corruption by holding the government answerable to the people. Kejriwal is also a Saathi (fellow) of the Association for India's Development, a Global Impact award winning NGO.

Arvind Kejriwal was born in a Marwari family in Hissar, Haryana in 1968. His father was an engineer and he spent most of his childhood living in small northern Indian towns like Sonepat, Mathura and Hissar. He did his schooling from Campus School. Kejriwal graduated from IIT Kharagpur as a Mechanical engineer in 1989.

Kejriwal joined Tata Steel right after his graduation from IIT Kharagpur. Kejriwal quit his job with Tata Steel in 1992^{[citation needed]} and spent some time working with Mother Teresa's Missionaries of Charity in Kolkata, the Ramakrishna Mission in the North-East India and Nehru Yuva Kendra.