Age Limit required to become Railway Ticket Collector

What is the minimum age required to become Railway Ticket Collector???

Ticket collector (TC) job is conducted by Railway Recruitment Board by written Examination

Age limit:
-The Minimum age required to apply for the exam is 18 years.
-The maximum age allowed is 30 year.
-Age relaxation is provided for reserved categories.
-Age relaxation is provided for SC/ST Candidates is 5 years.
-Age relaxation is provided for OBC candidates is 3 years.

The exam consists of:-
General knowledge
Aptitude
Mathematics
Science as subjects

Pay Scale:
-A newly appointed candidate has a salary of around Rs 4,500/-
-Salary can increase to Rs 20200/- depending upon your experience