Kumba 9hajar ngut, kiba la pyndep ia ka jingpule jongki, na ka West Bengal Board Secondary Education (WBBSE), ha shwa jong u snem 1973 bad kiba shong ba sah mynta ha Assam, ki la thoh sha ka WBBSE, na ka bynta ban ioh ia ki kot ki sla kiba biang, ba kin aiti sha ka National Register of Citizens (NRC), ong ka khubor.
La iathuh ba kitei ki 9 hajar ngut, ki dei kiba shong ba sah ha Tripura, tangba, ki dei kiba ialeh eksamin ha West Bengal, namar ba ka Tripura Board of Secondary Education (TBSE), ka sdang trei kam naduh ka 1tarik Kyllalyngkot 1976 bad ha shwa jong kata, ki samla kiba ialeh eksamin, ki hap ban ialeh hapoh ka jing pyniaid ka WBBSE.