● Military Engineer Services (IDSE-Building and Roads Cadre)
● Military Engineer Service (Surveyor of Works Cadre)
● Survey of India Service, Group 'A' (Civil Engineering Posts)
● Central Water Engineering Service (Civil Engineering Posts)
● Assistant Executive Engineer (Civil) in P & T Building Works (Group 'A') Service
● Central Engineering Service (Roads), Group 'A';
● Assistant Executive Engineer (Civil) in Border Roads Engineering Service Group 'A'
● Indian Ordinance Factories Service (Engineering Branch)

Category II-Mechanical Engineering Group A Services

Top ▲

● Indian Railway Service of Mechanical Engineers
● Indian Railway Stores Service (Mechanical Engineering Posts)
● Central Water Engineering Service (Mechanical Engineering Posts)
● Central Power Engineering Service (Mechanical Engineering Posts)
● Indian Ordinance Factories Service(Engineering Branch) (Mechanical Engineering Posts)
● Indian Naval Armament Service (Mechanical Engineering Posts)
● Military Engineer Service (IDSE-Electrical and Mechanical Cadre) (Mechanical Engineering Posts)
● Central Electrical & Mechanical Engineering Service (Mechanical Engineering Posts)
● Assistant Executive Engineer (Elect. & Mech.) (Mechanical Engineering Posts) Border Roads Engineering Service, Group 'A';
● Assistant Manager (Factories). Department of Telecom (Telecom Factories Organization)
● Central Engineering Service (Roads) Group `A' (Mechanical Engineering Posts)
● Assistant Executive Engineer Group `A' (Mechanical Engineering Posts) in the Corps of E.M.E., Ministry of Defence
● Indian Inspection Service Group 'A' (Mechanical Engineering Posts)
● Indian Supply Service Group' A' (Mechanical Engg. Posts). Group `B' Services/Posts
● Assistant Engineer Group 'B' (Mechanical Engineering Posts) in the Corps of E.M.E., Ministry of Defence.

Category III-Electrical Engineering Group A Services:

Top ▲

● Indian Railway Service of Electrical Engineers]
● Indian Railway Stores Service (Electrical Engineering Posts)
● Central Electrical -& Mechanical Engineering Service (Electrical Engineering Posts)
● Indian Ordnance Factories Service (Engineering Branch) (Electrical Engineering Posts)
● Indian Naval Armament Service (Electrical Engineering Posts)
● Central Power Engineering Service (Electrical Engineering Posts)
● Assistant Executive Engineer (Electrical) in P &T Building Works (Group 'A') Service
● Military Engineering Service (IDSE-Electrical and Mechanical Cadre) (Electrical Engineering Posts)
● Assistant Manager (Factories), Department of Telecom (Telecom Factories Organization)
● Assistant Executive Engineer Group `A' (Electrical Engineering Posts) in the Corps of E.M.E., Ministry of Defence
● Indian Inspection Service Group 'A' (Electrical Engineering Posts)
● Indian Supply Service Group `A' (Electrical Engg. Posts). Group `B' Services/Posts
● Assistant Engineer, Group `B' (Electrical Engineering Posts) in the Corps of E.M.E., Ministry of Defence.

Category IV-Electronics and Telecommunication Engineering Group A Services:

Top ▲

● Indian Railway Service of Signal Engineers
● Indian Railway Stores Service (Telecommunication/ Electronics Engineering Posts)
● Indian Telecommunication Service
● Engineer in Wireless Planning and Coordination Wing/ Monitoring Organization; Ministry of Communications (Deptt. of Telecommunications)
● Indian Broadcasting (Engineers) Service
● Indian Ordnance Factories Service (Engineering Branch) (Electronics Engineering Posts)
● Indian Naval Armament Service (Electronics Engineering Posts)
● Central Power Engineering Service (Telecommunication Engineering Posts)
● Survey of India Service Group 'A' (Electronics and Telecom. Engineering Posts)
● Assistant Manager (Factories), Deptt. of Telecom (Telecom Factories Organization)
● Indian Inspection Service, Group `A' (Electronics Engineering Posts)
● Indian Supply Service; Group `A' (Electronics Engineering Posts)
● Assistant Executive Engineer Group 'A' (Electronics Engineering Posts) in the Corps of E.M.E., Ministry of Defence.

Group B Service:
● Assistant Engineer Group 'B' (Electronics Engineering Posts) in the Corps of E.M.E., Ministry of Defence.