Hello aspirant,

YES, you can join as a policemen service after your class 12th, after giving and clearing the entrance exam. The eligibility criteria for joining as a policemen is as follows : Students should complete 12th / UG/ PG in any subject/ stream are eligible to become a police officer after clearing the exam and physical test. Class 12th students' age limit should be 18 years, UG student's age limit should be 21 years and the upper age limit should be 25 years.

Further, to know more about the career in how to become a Policemen in India, you can follow the below mentioned link to know more about this : https://school.careers360.com/articles/career-as-police-officer

I hope that this will help.