Castes and Tribes of Southern India/Valangai
Valangai.— Valangai, Valangan, Valangamattān, or Balagai, meaning those who belong to the right-hand faction, has, at times of census, been returned as a sub-division, synonym or title of Dēva-dāsis, Holeyas, Nōkkans, Panisavans, Paraiyans, and Sāliyans. Some Dēva-dāsis have returned themselves as belonging to the left-hand (idangai) faction.