Hey vignesh! After completing your higher secondary education you  have to pursue your graduation from any recognised university. After completion of your graduation, then you will be able to give police officer exam. 

There are two exam conduct in India for police officer every year.

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• 1. UPSC (union public service commission) 
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•  •This is higher level examination ,it help students to become an IPS Officer. 

•After clearing the three phase of  UPSC exam you will become IPS Officer.

Three phases 

1.Prelims

2.Mains

3.Personal Interview 

Post of IPS officer

•  SP( Supritendent of police ) 
• DIG (Deputy  inspector general of police) 
• IG (Inspector general of police) 
• ADG (additional director general of police) 

2.SPSC Exam ( state public service commission ) 

•State level is lower UPSC .

•After clearing SPSC exam you will become post officer

How to get in SPSC Exam

• The first thing you need choose is your state
• Almost every state in India  it's own 'Public Service Commission ' who recruit every candidates into vacant level. 
• Most of vacancies at the entry -level are filled by conducting competitive exam every year (in most cases) 
• Then higher ranked candidates are selected. 

• Senior Assistant
• Dept. Collector 
• Assistance section officer
• Assistant Manager
• Sub Register Grade post
• Village development officer
• Junior inspector of Coperative society
•  District Registrar 
• Industrial promotion officer 
• District social welfare officer
• Commercial Tax officer
• Lecturer post