The Earthquake Reconstruction and Rehabilitation Authority (ERRA) has completed construction of 421,000 houses in the quake affected region, the authority chairman Altaf M. Salim said here on Wednesday.

Addressing a certificate distribution ceremony for the participants of ERRA Interns and Volunteers Programme (EIVP), Salim said the authority was actively working in 12 rehabilitation sectors where housing, education, health and livelihood were being given top priority.