A candidate has to attain a minimum of 21 years to attempt the KPSC exam as on the last date of the KAS application form. The maximum age limit for applying for KAS exam is 35 years. For ST,SC,OBC category people, the age limit changes upto 40 years with unlimited number of attempts allowed for the exam.

Refer the link below to get a more detailed information -

https://competition.careers360.com/exams/jkpsc-kas

Best wishes. Thankyou.