It is very nice that you are interested to become collector. Collector is appointed by Central government at district level to handle revenue and administration. 

Eligibility

1. Qualification 

You must have bachelor's degree in any discipline from recognized university

2. Age limit

21 to 32 for general category relaxation applicable for 3 year's for OBC and 5 years for SC/ST

3. Maximum attempts 

General 6 nos

SC/ST 9 nos

OBC no limit

Selection 

1. CSAT exam ( civil service Aptitude test) 

2. Main exam

3. Interview

Steps to become collector

1. Complete graduation

2. Apply for CSAT conducted by UPSC

3.crack CSAT and become eligible for mains

4. Crack main exam with good score

5. Clear interview

6. You will be appointed as collector in any district

Salary 

The average salary is between 20000 to 40000

Perks and facilities

1. Home rent allowance

2. Water and electricity bill

3. Official accommodation

4. Government vehicle