when was his party established?
In 1980
Introduction
The BJP's origin lies in the Bharatiya Jana Sangh, formed in 1951 by Syama Prasad Mukherjee. After the State of Emergency in 1977, the Jana Sangh merged with several other parties to form the Janata Party; it defeated the incumbent Congress party in the 1977 general election. After three years in power, the Janata party dissolved in 1980 with the members of the erstwhile Jana Sangh reconvening to form the BJP. 
full name of current prime minister of india Narendra Damodardas Modi when did he become the prime minister? In 2014 what has been his policies towards the environment? Cancelled the Requirement of clearance  from NBA for projects close to wildlife, rRelaxed or Abolished regulations related to Industrial Activity & Modi lifted a moratorium on new industrial activity in the most polluted areas in the countries. did he win another term after the first? Yes. By securing 353 seats in the Lok Sabha with the BJP alone winning 303 seats. what political party is he affiliated with? Modi is a member of the Bharatiya Janata Party (BJP) has this party ever been accused of any violence? UNANSWERABLE
Origin lies in the Bharatiya Jana Sangh, formed in 1951 1951 1951
Bharatiya Janata Party Bharatiya Janata Party Bharatiya Janata Party
Introduction Introduction Introduction
The BJP's origin lies in the Bharatiya Jana Sangh, formed in 1951 by Syama Prasad Mukherjee. The BJP's origin lies in the Bharatiya Jana Sangh, formed in 1951 by Syama Prasad Mukherjee. The BJP's origin lies in the Bharatiya Jana Sangh, formed in 1951 by Syama Prasad Mukherjee. 
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Bharatiya Janata Party [SEP] Introduction
After the 1998 general election, the BJP-led coalition known as the National Democratic Alliance (NDA) under Prime Minister Atal Bihari Vajpayee formed a government that lasted for a year. Following fresh elections, the NDA government, again headed by Vajpayee, lasted for a full term in office; this was the first non-Congress government to do so. In the 2004 general election, the NDA suffered an unexpected defeat, and for the next ten years the BJP was the principal opposition party. Long time Gujarat Chief Minister Narendra Modi led it to a landslide victory in the 2014 general election. Since that election, Modi has led the NDA government as Prime Minister and , the alliance governs 18 states.