Haflong, April 30: Demanding immediate upgrade of the Khejurband to Koladisa road (67km) by a reputed construction company, reintroduction of ASTC bus service from Haflong to Khepre and Hajadisa to Haflong to and fro, and immediate electrification of all the villages of Dima Hasao, the people of Langting Dibu area of Dima Hasao observed sit-in and hunger strike under the leadership of Bahim Chandra Langthasa, the founder and former president of Jadikhe Naisho Hosom, Dimasa apex body, at Badsabari, 7 km from Maibang on Monday. The sit-in and hunger strike started in presence of a number of people from Langting Dibu area, though some people prevented the villagers of this area from joining in the protest.