Dear Aspirant,

Basic eligibility to become an IAS officer is to be a graduate in any field. Candidates must have completed 21 years to apply.

For becoming an IAS officer, you will have to clear the UPSC Examination.

Exam stages -

• Preliminary - Objective pen and paper-based exam
• Mains - Written exam with subjective questions
• Personality Test - Interview

subjects like geography, anthropology, public administration or history are very important in this exam. so if you are humanities student you already knows these subjects.

For more information, kindly refer the below mentioned link:

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

Hope it Helps!