Mamit District-a Darlung khuaah Service Cooperative Society Building thar vawiin khan Cooperation Deptt.-a Deputy Registrar Pu K. Lalthanpara'n a hawng. He building hi Integrated Cooperative Development Project hnuaia sak a ni. Darlung Service Cooperative Society hi kum 1977 khan din a ni a, he Service Cooperative Society hi Bawngthah, Sabual, Bawlte leh a chhehvel khaw hrang hrangin an chhawr \angkai a ni.