For becoming a district magistrate or collector of the respective district you are required to do the mentioned below things after 10th:

1. First of all you have to clear your 10 + 2 class level board examination from any stream and after then you are required to complete your graduation from a recognised University in any specialisation.
2. After completing your graduation you are required to to appear for union Public Service Commission IAS examination.
3. If you qualify the prelims and mains of UPSC examination. You are required to appear for interview round.
4. After qualifying interview round you will be selected as an Indian administrative Service officer.
5. After complete experience of 8 years in the Indian administrative Services you will be promoted to the district magistrate post or collector post of a district.

Read more about UPSC by clicking on mentioned below link:

https://www.google.com/url?sa=t&source=web&rct=j&url=https://competition.careers360.com/exams/upsc-civil-services-exam/amp&ved=2ahUKEwjgk_f_rbX1AhXnS2wGHS0VBdkQFnoECAQQAQ&usg=AOvVaw0YgHjPSGbCBqWgNlDAT28h

Hello,

You can become an IAS officer from any stream in Class XI and XII. Students from all the three streams ie Science, Commerce and Arts are eligible for UPSC Examination.

----- Thiugh it is advisable thatyou pursue Arts if you wish to become IAS as you would be able to learn the subject and syllabus of IAS examination right from Class XI and XIi which the Science aspirant would lack.

For complete details about the procedure to become an IAS officer kindly check out the link given below-

https://school.careers360.com/articles/how-to-become-an-ias-officer

For complete detail about the eligibility criteria for UPSC Examination, kindly check out the link given below-

https://competition.careers360.com/articles/upsc-ias-eligibility-criteria

I hope you find the answer helpful.

Thank you.