The correct option is B All Tripura Tiger’s Force
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The two insurgent organisations in the state of Tripura are the National Liberation Front of Tripura and All Tripura Tiger’s Force. The National Liberation Front of Tripura was established in 1989, and their objective was to liberate Tripura from India. All Tripura Tiger’s Force was founded in 1990, and their main objective is to restore the land for tribals and remove Bengali speaking immigrants.