For being an IFS officer you have to qualify a 3 tier examination named UPSC CSE. UPSC CSE selects IFS officers based on three steps:

• Prelims: where you are asked objective type questions. This is a qualifying level.
• Mains: Here you will asked descriptive level and on qualifying this you will be called for the next level.
• Personality Test: Here you will be asked questions by the panelist. If you qualify this levels with good marks then you will be able to be an IFS officer.

UPSC CSE aspirants gives IFS to be there 2nd or 3rd choice of priority. So the competition will be quite high for this designation.

Now the eligibility for the UPSC CSE is that the student must have a degree of graduation from a recognized university/college. Thus it doesn't matter which course you are from. But the point is, it doesn't matter which college you study in. You can study in any college of your wish and which offers you the subject you want. See choosing the right college isn't a factor but choosing a right course for your UG is a point of concern. Thus you should choose the course in which you are interested in so that you won't feel burnout and you can focus on the preparation of UPSC CSE. No college or course can help you out to crack UPSC CSE until and unless you have the rigor and scoring good in the exam is entirely dependent on your preparation and not on your course of study in UG.

There are some colleges which offers free UPSC CSE preparation, this colleges are:

• JAMIA MILIA ISLAMIA
• JAMIA HAMDARD
• ANNA INSITUTE OF MANAGEMENT
• ALIGARH MUSLIM UNIVERSITY

TO know about this colleges/universities which offers free coaching along with the UG course visit the link below:

https://indianexpress.com/article/jobs/upsc-cse-scholarships-making-upsc-preparation-affordable-institutes-provide-scholarships-free-coaching-to-civil-service-aspirants-7340973/

To know more about UPSC CSE visit the link below:

https://competition.careers360.com/exams/upsc-civil-services-exam

I hope this answer helps. All the very best for your future endeavors!