Modern Indian History
One of the best known tribal rebellions in Bihar, known as Ulgulan (meaning Great Tumult), was launched by the Mundas under the leadership of

Kanhu
Sidhu
Rampa Munda
Birsa Munda

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Modern Indian History
The main cause of the tribal uprisings of the 19th century was

the British Forest Laws
new excise regulations and police exactions
Christian Missionary activities in the tribal areas
the British land settlements and land laws had created tension in the tribal society

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