The Combined Engineering Services' Examination is conducted by the UPSC every year for recruitment to the four categories of Engineering services: (a) Civil Engineering (b) Mechanical Engineering (c) Electrical Engineering and (d) Electronics & telecommunication Engineering. The following are the services/posts to which selection is made in the four categories:

1. Category I-Civil Engineering

   Group A Services/Posts

   1. Indian Railway Service of Engineers
   2. Indian Railway Stores Service (Civil Engineering Posts)
   3. Central Engineering Service
   4. Military Engineer Services (IDSE-Building and Roads Cadre)
   5. Military Engineer Service (Surveyor of Works Cadre)
   6. Survey of India Service, Group 'A' (Civil Engineering Posts)
   7. Central Water Engineering Service (Civil Engineering Posts)
   8. Assistant Executive Engineer (Civil) in P & T Building Works (Group `A') Service
   9. Central Engineering Service (Roads), Group `A';
   10. Assistant Executive Engineer (Civil) in Border Roads Engineering Service Group `A'
   11. Indian Ordnance Factories Service (Engineering Branch)

2. Category II-Mechanical Engineering

   Group A Services/Posts

   1. Indian Railway Service of Mechanical Engineers
   2. Indian Railway Stores Service (Mechanical Engineering Posts)
   3. Central Water Engineering Service (Mechanical Engineering Posts)
   4. Central Power Engineering Service (Mechanical Engineering Posts)
   5. Indian Ordnance Factories Service (Engineering Branch) (Mechanical Engineering Posts)
   6. Indian Naval Armament Service (Mechanical Engineering Posts)
   7. Military Engineer Service (IDSE-Electrical and Mechanical Cadre) (Mechanical Engineering Posts)
   8. Central Electrical & Mechanical Engineering Service (Mechanical Engineering Posts)
   9. Assistant Executive Engineer (Elect. & Mech.) (Mechanical Engineering Posts) Border Roads Engineering Service, Group 'A';
   10. Assistant Manager (Factories). Department of Telecom (Telecom Factories Organization)
   11. Central Engineering Service (Roads) Group `A' (Mechanical Engineering Posts)
   12. Assistant Executive Engineer Group `A' (Mechanical Engineering Posts) in the Corps of E.M.E., Ministry of Defence
   13. Indian Inspection Service Group 'A' (Mechanical Engineering Posts)
   14. Indian Supply Service Group' A' (Mechanical Engg. Posts). Group `B' Services/Posts
   15. Assistant Engineer Group 'B' (Mechanical Engineering Posts) in the Corps of E.M.E., Ministry of Defence.

3. Category III-Electrical Engineering

   Group A Services/Posts

   1. Indian Railway Service of Electrical Engineers
   2. Indian Railway Stores Service (Electrical Engineering Posts)
   3. Central Electrical -& Mechanical Engineering Service (Electrical Engineering Posts)
   4. Indian Ordnance Factories Service (Engineering Branch) (Electrical Engineering Posts)
   5. Indian Naval Armament Service (Electrical Engineering Posts)
   6. Central Power Engineering Service (Electrical Engineering Posts)
   7. Assistant Executive Engineer (Electrical) in P &T Building Works (Group 'A') Service
   8. Military Engineering Service (IDSE-Electrical and Mechanical Cadre) (Electrical Engineering Posts)
   9. Assistant Manager (Factories), Department of Telecom (Telecom Factories Organization)
   10. Assistant Executive Engineer Group `A' (Electrical Engineering Posts) in the Corps of E.M.E., Ministry of Defence
   11. Indian Inspection Service Group 'A' (Electrical Engineering Posts)
   12. Indian Supply Service Group `A' (Electrical Engg. Posts). Group `B' Services/Posts
   13. Assistant Engineer, Group `B' (Electrical Engineering Posts) in the Corps of E.M.E., Ministry of Defence.

4. Category IV-Electronics and Telecommunication Engineering

   Group A Services/Posts

   1. Indian Railway Service of Signal Engineers
   2. Indian Railway Stores Service (Telecommunication/ Electronics Engineering Posts)
   3. Indian Telecommunication Service
   4. Engineer in Wireless Planning and Coordination Wing/ Monitoring Organization; Ministry of Communications (Deptt. of Telecommunications)
   5. Indian Broadcasting (Engineers) Service
   6. Indian Ordnance Factories Service (Engineering Branch) (Electronics Engineering Posts)
   7. Indian Naval Armament Service (Electronics Engineering Posts)
   8. Central Power Engineering Service (Telecommunication Engineering Posts)
   9. Survey of India Service Group 'A' (Electronics and Telecom. Engineering Posts)
   10. Assistant Manager (Factories), Deptt. of Telecom (Telecom Factories Organization)
   11. Indian Inspection Service, Group `A' (Electronics Engineering Posts)
   12. Indian Supply Service; Group `A' (Electronics Engineering Posts)
   13. Assistant Executive Engineer Group 'A' (Electronics Engineering Posts) in the Corps of E.M.E., Ministry of Defence.

   Group B Services/Posts

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

• Eligibility Conditions
• Scheme Of The Examination