TBCU was supported and funded from the beginning by the New Zealand Baptist Missionary Society (NZBMS), which also provided most of the staff till the 1960s.

[4] TBCU employs many pastors and evangelists and runs community programs such as schools and dispensaries.

Both BCM and ECM have many workers in Tripura working as missionaries and evangelist/teachers in various TBCU churches and schools.

The Mission Compound was established in 1938 under an official land grant by the then King of Tripura Kingdom, Maharaja Bir Bikram Kishore Manikya, to the Baptist missionaries from New Zealand.

It has the following affiliated associations: Every year a meeting of the Council Members of the TBCU is organised at one of the churches within the Union.

Kok English Medium School is located in Baijal bari, Khowai District.

St John's High School is located in Raio, Killa, Udaipur, Gomoti Tripura.

St James Higher Secondary School is located in Gongrai Molsom village, P.O Kendraichera, Sepahijala Dist.

Nazareth English School is Located in Tuidu Bazar, Gomati District, Tripura.

A stipend is provided by the Tribal Welfare Department of Tripura, through which each year a number of poor students can pursue their educational careers at the school.

Pohor English Medium school was established in 2008 at Chawmanu under Chailengta Sub-Division of Dhalai District.

Earlier, the TBCU ran its own hospital at their headquarters from the 1930s until 1980 when it was discontinued, providing free treatment to the people of the state.

Presently under SNBA, a hospital is being constructed at Kaya Haduk, Patni village of West Tripura around 20 km from Agartala city.

the TBCU has been supporting several voluntary NGOs dedicated to the development of the poor tribals living in the remote hamlets of Tripura.

[7] The TBCU translation team were: The New Testament of the Bible in (Molsom) language the dialect of the native people of Tripura.

The state government of Tripura accused the organization of lending support to separatist NLFT rebels.

[12] These forcible conversions to Christianity, sometimes including the use of "rape as a means of intimidation," have also been noted by academics outside of India.

[14] The government accused the Baptist Church of Tripura for supporting this violent campaign of NLFT by providing funding and arms for the group.

In April 2000, Nagmanlal Halam, Secretary of the Noapara Baptist Church in Tripura, was caught with a large quantity of explosives which were meant for the group.

According to the State Police, Mr Koloi had received training in guerrilla warfare at an NLFT base in 1999.