Dear Aspirant,

In order to become a police constable,candidates are required to clear the competitive exam. Public Service Commission conducts the Police Constables exam in each state for the recruitment of police constables.

Eligibility criteria to apply for these exam:
candidate who have passed their 12th exam from a recognized board can apply for the police constable exam.The age limit to apply for the exam is 18 years.Candidates more than 22 years are not eligible to appear for the exam.In addition,they should qualify some  set of standard.Individuals need to have a minimum 167 cms height. They also require 81 cms chest with a maximum increase of 5 cms. Aspirants should also (http://entrance-exam.net/police-constable-how-to-become-a-police-constable) have clear eyesight without glasses.

Hope you got your answer.

Thank you