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Riao Daikho (Damadi/Abongbra Daikho)
Between Samparidisa & Gaijon villages, Dima Hasao district, Assam (confluence of Abong & Diyung rivers)
India
Active (Misengba ritual every 5–7 years)
Single grove
- Location
- Between Samparidisa & Gaijon villages, Dima Hasao district, Assam (confluence of Abong & Diyung rivers)
- Coordinates
- ~25.2°N 93.0°E
- Size
- 3.67 acres (~1.49 ha) — largest of 12 daikhoes
- Age / Founded
- Ancient (Dimasa traditional faith)
- Status
- Active (Misengba ritual every 5–7 years)
- Deity & Religion
- 55 ancestor/clan-gods (Sibarai=Shiva chief); Dimasa animism + Hinduism
- Community & Guardians
- Dimasa (Kachari) tribe; priests Gisia/Jonthaima/Dainyama of Naiding, Phonglo, Kemprai clans
- Vernacular name
- Daikho
- Record type
- Single grove
Cultural practices & uses
Animal sacrifice (buffalo, goats, pigeons), communal feast; women barred from grove interior
Plant species
Sacred & medicinal plants (grove kept cleared before rituals)
Biome & fauna
Northeast India riverine forest (near Abongbra confluence)
Threats & protection
Maintained by clan tradition; some conversion to Hinduism/Christianity
Source
Thaosen H., 'Rituals in Riao Daikho – the greatest sacred grove of the Dimasas'