Who abolished slavery from Tripura?

Concept

In princely Tripura, slavery (the dasa system) persisted into the 19th century; rulers acquired bonded people from neighbouring areas. Such a social evil was ended only by a deliberate royal reform act, so identifying the abolisher means matching the reform to the specific Maharaja who legislated it.

Application

Maharaja Bir Chandra Manikya (reign 1862-1896) is the reformer who formally abolished slavery in Tripura, by an act in 1877. Acting partly on a British request, he outlawed the dasa system, which is why he is often called the "Raja Ram Mohan Roy of Tripura". The same modernising reign also abolished the Sati practice (1888) and introduced municipal and judicial reforms.

Cross-check / Contrast

• Dhanya Manikya — a much earlier 15th-16th century ruler known for temple-building and military expansion, long before any 19th-century social-reform legislation existed.

• Bir Bikram Manikya — a 20th-century king (reign began 1923) remembered for town planning and the airport; he ruled well after slavery had already been ended.

• Trilochan Manikya — a 17th-century ruler tied to dynastic and territorial affairs, not to any abolition of the dasa system.

Only the 1877 reform reign fits the abolition of slavery, confirming Bir Chandra Manikya.