Hello sir I want to know that is Bihar Public Service Commission have Age Relaxation please tell me fast??

As you are asking for the Age Relaxation at Bihar Public Service Commission

Yes the Bihar Public Service Commission provides Age Relaxation

About

Bihar Public Service Commission was setup in the year of 1949 on 1st April.

Age Limitation

Should be resided in between 19 to 40 years.
Relaxation in age is given for SC/ST candidates as per the rules of government.

Eligibility Criteria :

Degree in Natural Science
Mathematics
Statistics
Geology
Mechanical Engineering
Civil Engineering
Chemical Engineering
Agriculture or Economics

Basically Bihar Public Service Commission exam consist of two papers which are:

Main examination
Preliminary examination

BPSC Syllabus

Preliminary Examination Syllabus:
General Knowledge
English
Mathematics

Main examination:

Optional Subjects (any 2):