It was lalita Rajlaxmi, wife of Kamakhya Narayan Singh of Ramgarh state family is the only lady who represented Hazaribagh in parliament so far. In the second general election of 1957 she defeated advocate BZ Khan of Congress party.
It was Gyani Ram of the Congress who represented Hazaribagh in the entering parliament from 1950-52. In the first general election the present Hazaribagh parliamentary constituency was a part of Hazaribagh West constituency in which a large area of present Chatra constituency was included. Till the first general election the Ramgarh state family has not formed Chotanagpur Santhal Paragana Janta Party so on various seats it supported the deserving candidates.
The first elected MP of present Hazaribagh (Hazaribagh West of 1952) was a well known freedom fighter Babu Ram Narayan Singh. He was an independent candidate. It was Babu Ram Narayan Singh who first advocated for separate Jharkhand state in the parliament. In 1952 the Hazaribagh East (present Giridih) seat was represented by Nageshwar Prasad of congress.
In 1957 the seat was won by lalita Raj lakshmi, a CSPJP candidate. In 1962 and 1967 Dr. Basant Narayan Singh of Ramgarh state family won from Hazaribagh. In 1968 he became a minister in Bihar so by-election took place in which famous hotelier Mohan S Oberoi won.
After continuous defeats in five elections in 1971 Damodar Pandey opened the account of Congress party in this constituency but Dr. BN Singh recaptured the seat in 1977 as a Janta Party candidate. In 1980 too he won the seat but after his death in 1984 Damodar Pandey of Congress won back.
In 1989 Bhartiya Janta Party emerged as a force in this constituency and Prof. Yadunath Pandey won from here. In 1991 CPI’s Bhuvaneshwar Prasad Mehta defeated Pandey but he lost to Mahavir lal Vishwakarma of BJP in 1996 election.
In 1998 Hazaribagh parliamentary constituency first time came on the national political map with the win of Yashwant Sinha, who became a cabinet minister in Vajpayee government. In 1999 Yashwant repeated his victory but lost to BP Mehta of CPI in 2004. In 2009 Yashwant regained this seat.
On 17th April 2014 the voters of Hazaribagh parliamentary constituency will once again vote to choose their representative. This time Yashwant’s son Jayant is in the field and as Congress candidate Saurav Narayan Singh of Ramgarh Rajpariwar is trying hard to defeat him. Old warrior BP Mehta, AJSU’s loknath Mahto, JVM’s AK Mishra, AAP’s Mithilesh Dangi and some others are also in the battlefield.