How to test in Tibet police station!

I was discharged from the army in 2009. I am an ordinary employee of a municipal institution in the Mainland. I don't want to do this anymore. I want to take an exam in a Tibetan township police station and do something meaningful, but I don't know how to take the exam. If the job fair of Tibet police station is announced, they will participate in interviews, exams and physical fitness tests as required.