The
Bodos are an ethno-linguistic community native to the
Brahmaputra Valley in Assam state of India. In the mid-1980s, Bodo politicians, alleging discrimination against Bodos in Assam, intensified their campaign for the creation of Bodo-majority
Bodoland. While majority of the Bodos envisaged Bodoland as an autonomous territory or state within India, a small section demanded complete sovereignty. NDFB was formed by secessionist Bodos on 3 October 1986 as the
Bodo Security Force (BdSF), under the leadership of
Ranjan Daimary, in Odla Khasibari village (near
Udalguri). BdSF carried out several violent attacks against non-Bodo civilians. On 12 December 1992, it attacked the 7th Assam Police Battalion headquarters at Choraikhola in Kokrajahar district, and decamped with 160 self-loading rifles (SLR) and 5 light machine guns (LMG). The Bodoland movement was mainly led by the political organisations
All Bodo Students Union (ABSU) and
Bodo Peoples' Action Committee (BPAC). In 1993, these two groups signed the Bodo Accord with Indian government, agreeing to the formation of Bodoland Autonomous Council within Assam. BdSF opposed this Accord. Shortly after the Accord, the Assam State Government refused to hand over 2,750 villages to the proposed Council, arguing that Bodos formed less than 50% of the population in these villages. The NDFB then launched an
ethnic cleansing campaign, attacking non-Bodo communities in these villages. During the 1996
Assam Legislative Assembly elections, it killed hundreds of
Santhal,
Munda and
Oraon adivasis (tribals), whose ancestors had been brought to Assam as
tea labourers during
British Raj (1858 - 1947). In response, the tribals formed
Adivasi Cobra Force, their own militant group. In the mid-1990s, NDFB also faced a rival within the Bodo community, in form of
Bodo Liberation Tigers Force (BLTF). The BLTF had evolved from an older militant group called the Bodo Volunteer Force. It considered NDFB's secessionist agenda unrealistic and unattainable, and focused on establishment of an autonomous Bodo territory within India. After 1996, the two groups clashed violently for supremacy. BLTF allied with Bengali Tiger Force to protect Bengalis from NDFB attacks, and also supported Indian security forces against NDFB. In 2003, BLTF surrendered en masse in return for the establishment of the
Bodoland Territorial Council. NDFB had established 12 camps on the
Bhutan-Assam border. During 2003–2004, the
Royal Bhutan Army destroyed these camps as part of its
Operation All Clear. The pact came into force on 1 June 2005. However, certain factions of NDFB continued militancy. In May 2006, five members of the security forces were abducted and killed by suspected NDFB members in Assam's
Udalguri district. The group also continued to clash with cadres of the ex-BLTF (Bodo Liberation Tiger Force). On 5 June 2006, two former BLTF cadres were killed by NDFB militants in the
Karbi Anglong district, and one former member of the disbanded group was lynched by suspected NDFB militants in
Golaghat district on 3 June 2007. In December 2008, the NDFB (P) indicated its plans to indirectly or directly participate the
Lok Sabha elections.
Amit Shah signed a historic peace treaty with factions on NDFB in February 2020. ==Splits==