Gentiana loureiroi subsp. napulifera (Franch.) J. J. Halda, Acta Mus. Richnov., Sect. Nat. 3: 48 (1995) (syn: Gentiana napulifera Franch.; Gentiana sarcorrhiza Y.Ling & Ma ex T.N.Ho);
Assam to China (SW. Sichuan, NW. & Central Yunnan) and N. Indo-China: Assam, China South-Central, Myanmar, Thailand as per POWO;
MS, April, 2023/20 herb for id: 4 images.
Location : Hmuifang tlang, Mizoram
I think it appears close to Gentiana loureiroi subsp. napulifera (Franch.) Halda as per GBIF specimen, POWO and BSI Checklist
Yeah, i too agree, from habit seems like. But still need to study the specimen for further confirmation.
POWO Catalogue of Life GBIF specimen BSI Checklist IBIS Flora