Electrical and Mechanical

1. Chief engineer

2. Additional Chief Engineer

3. Deputy Chief engineer

4. Superintendent Engineer

5. Executive Engineer

6. Assistant Engineer

7. Junior Engineer (Direct Recruitment)

8. Junior Engineer-TSP (Direct Recruitment)

Electrical

1. Assistant Engineer (Direct Recruitment)

Mechanical

1. Assistant Engineer (Direct Recruitment)

Civil

1. Chief Engineer 

2. Additional Chief Engineer

3. Deputy Chief Engineer

4. Superintending Engineer

5. Executive Engineer

6. Assistant Engineer

7. Assistant Engineer (Direct Recruitment)

8. Junior Engineer (Direct Recruitment)

9. Junior Engineer-TSP (Direct Recruitment)

C&I 

1. Superintending Engineer

2. Executive Engineer

3. Assistant Engineer

4. Assistant Engineer (Direct Recruitment)

5. Junior Engineer (Direct Recruitment)

F&S

1. Executive Engineer

2. Assistant Engineer

3. Assistant Engineer (Direct Recruitment)

4. Junior Engineer (Direct Recruitment)

IT

1. Assistant Engineer (Direct Recruitment)

Chemist

1. Chief Chemist

2. Senior chemist 

3. chemist

4. Junior Chemist (Direct Recruitment)

Personnel

1. Chief Personnel Officer

2. Joint Director Personnel

3. Deputy Director Personnel

4. Personnel Officer

5. Assistant Personnel officer

6. Assistant Personnel officer (TSP)

Accounts

1. Chief Controlling Officer of Accounts

2. Chief Accounts officer

3. Senior Accounts Officer

4. Accounting Officer

5. Assistant Accounts Officer -I

6. Assistant Accounts Officer -II

7. Assistant Accounts Officer-II (TSP)

8. Junior Accountant (Direct Recruitment)

9. Junior Accountant-(TSP)

Administrative and Ministerial

1. Joint Secretary

2. Deputy Secretary

3. Assistant Secretary

4. Additional Private Secretary

5. Administration Officer

6. Additional Administrative Officer

7. Assistant Administrative Officer

8. Assistant Administrative Officer - TSP

9. Assistant Director (Public Relations)

10. Stenographer (Direct Recruitment)

11. Stenographer-TSP (Direct Recruitment)

12. Senior Assistant

13. Senior Assistant - TSP

14. Junior Assistant (Direct Recruitment)

15. Junior Assistant-TSP (Direct Recruitment)

Other

1. Company Secretary