Below we listed Official Age Limit for TNUSRB SI(Technical) Registration, along with Age Relaxation details.
| S.No | Category of Candidates | Open Candidates | Departmental Candidates |
| 1 | General | 20 to 28 years | 45 years |
| 2 | BC, BC(M)/MBC/DNC | 20 to 30 years | |
| 3 | SC, SC(A) /ST | 20 to 33 years | |
| 4 | Destitute Widow | 35 years | |
| 5 | Ex-Servicemen, Ex-personnel of Central Para Military Forces (CPMF)/ persons who are serving in Army/CPMF and going to retire within 1 year from the last date of receipt of application | 45 years |
TNUSRB Technical Sub Inspector Exam Educational Qualification
Candidates who are aspiring to appear for the Technical SI Exam 2018, should know all the TNUSRB S.I exam Basic Educational Qualification.
| A second class diploma in Electronics and Communication Engineering awarded by the State Board of Technical Education, Tamil Nadu or A Degree (B.E/B.Tech) in Electronics and Communication Engineering |
TNUSRB Technical Sub Inspector Selection Process
TNUSRB Technical S.I exam is divided into three stages i.e. Written Exam, Physical Measurement Test, Viva-Voice.
Stage. I Written Exam(Duration of written test – 3 hours)
- GK – 30 marks
- Technical subjects – 50 marks
- Total – 80 marks
Note:- 160 objective type questions carrying half mark each
Stage.II Physical Measurement Test
| Community | Hight | Chest | |
| Men | General, BC, BC(M), MBC/DNC | Minimum 163cms | 81 to 86 cms with an expansion of 5 cms |
| SC, SC(A)/ ST | Minimum 160cms | ||
| Women | General, BC, BC(M), MBC/DNC | Minimum 154cms | |
| SC, SC(A)/ ST | Minimum 152cms |
Stage. III Viva Voice(10 Marks)
All the candidates who qualify in the Physical measurement Test shall be permitted for Viva Voce