Harsidhi is an assembly

Vidhan Sabha

The Vidhan Sabha or the Legislative Assembly is the lower house or the sole house of the provincial legislature in the different states of India. The same name is also used for the lower house of the legislatures for two of the union territories, Delhi and Pondicherry...

 constituency in Purvi Champaran district in the India

India

India , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world...

n state

States and territories of India

India is a federal union of states comprising twenty-eight states and seven union territories. The states and territories are further subdivided into districts and so on.-List of states and territories:...

 of Bihar

Bihar

Bihar is a state in eastern India. It is the 12th largest state in terms of geographical size at and 3rd largest by population. Almost 58% of Biharis are below the age of 25, which is the highest proportion in India....

. It is reserved for scheduled castes. It was an open seat earlier.

Extent

As per orders of Delimitation of Parliamentary and Assembly constituencies Order, 2008, 13. Harsidhi (Vidhan Sabha constituency) (SC) is composed of the following:
Harsidhi and Turkaulia community development blocks

Community Development Block in India

The Community development block is a rural area earmarked for administration and development in India. The area is administered by a Block Development Officer...

.

Harsidhi (Vidhan Sabha constituency) is part of 3. Purvi Champaran (Lok Sabha constituency)

Purvi Champaran (Lok Sabha constituency)

Purvi Champaran Lok Sabha constituency is one of the 40 Lok Sabha constituencies in Bihar state in eastern India. This constituency came into existence in 2008 as a part of the implementation of delimitation of parliamenatary constituencies based on the recommendations of the Delimitation...

.It was earlier part of Motihari (Lok Sabha constituency)

Motihari (Lok Sabha constituency)

Motihari Lok Sabha constituency is one of the 40 Lok Sabha constituencies in Bihar state in eastern India till 2008.-Assembly segments:Motihari Lok Sabha constituency comprised the following Vidhan Sabha segments:...

.

1977-2010

In the November 2010 state assembly elections

Bihar legislative assembly election, 2010

The Bihar legislative assembly election is being held in 6 phases over a period of one month starting from 21 October 2010 until 20 November 2010 in all 243 constituencies of Bihar, India. The election is conducted to elect the government in Bihar for a 5-year term...

, Krishna Nandan Paswan of BJP

Bharatiya Janata Party

The Bharatiya Janata Party ,; translation: Indian People's Party) is one of the two major political parties in India, the other being the Indian National Congress. Established in 1980, it is India's second largest political party in terms of representation in the parliament...

 won the 13 Harsidihi assembly seat defeating his nearest rival Surendra Kumar of RJD

Rashtriya Janata Dal

The Rashtriya Janata Dal is a political party in India, based in the state of Bihar. The party was founded in 1997 by Laloo Prasad Yadav. The party came about as a result of Lalu Prasad Yadav, ex-president of Janata Dal, being evicted by Sharad Yadav, the then president, on corruption charges ...

. Contests in most years were multi cornered but only winners and runners are being mentioned. Maheswar Singh of LJP

Lok Janshakti Party

The Lok Jan Shakti Party is a state political party in the state Bihar , India. It is led by Ram Vilas Paswan. The party was formed in 2000 when Paswan split from Janata Dal . The party has considerable following amongst Dalits in Bihar. The 2004 Lok Sabha elections marked a major break-through for...

 defeated Awadhesh Prasad Kushwaha of JD(U)

Janata Dal (United)

Janata Dal is a political party in India with political presence mainly in Bihar and Jharkhand. Janta Dal party mentor and patron is "Veteran Socialist leader" George Fernandes; George Fernandes broke away from the erstwhile Janata Dal and formed the Samata Party in 1994. Presently it is led...

 in October 2005. Awadhesh Prasad Kushwaha representing LJP defeated Maheswar Singh representing JD(U) in February 2005. Maheswar Singh representing SAP

Samata Party

The Samata Party is a political party in India. Initially formed as an offshoot of the Janata Dal in 1994 by Nitish Kumar and George Fernandes. The reason given was that the Janata Dal had shifted to casteism...

 defeated Awadhesh Prasad Kushwaha representing RJD in 2000. Awadhesh Prasad Kushwaha representing JD

Janata Dal

Janata Dal is an Indian political party which was formed through the merger of Janata Party factions, the Lok Dal, Congress, and the Jan Morcha led by V. P...

 defeated Maheswar Singh representing SAP in 1995. Mohd. Hedaitullah Khan of Congress

Indian National Congress

The Indian National Congress is one of the two major political parties in India, the other being the Bharatiya Janata Party. It is the largest and one of the oldest democratic political parties in the world. The party's modern liberal platform is largely considered center-left in the Indian...

 defeated Vishambhar Nath of BJP in 1990, Rajaram Prasad of CPI

Communist Party of India

The Communist Party of India is a national political party in India. In the Indian communist movement, there are different views on exactly when the Indian communist party was founded. The date maintained as the foundation day by CPI is 26 December 1925...

in 1985 and Durgadatt Prasad of CPI in 1980. Yugal Kishore Prasad Singh defeated Mohd. Hedaitullah Khan of Congress in 1977.