Technical Officer, Drilling Officer, Stores Officer, Procurement Officer, Enforcement Officer - Geological Survey & Mines Bureau Technical Officer, Drilling Officer, Stores Officer, Procurement Officer, Enforcement Officer - Geological Survey & Mines Bureau Technical Officer, Drilling Officer, Stores Officer, Procurement Officer, Enforcement Officer - Geological Survey & Mines Bureau

Source: www.gsmb.gov.lk (2025.10.26)