Ofcourse, commerce students can become IAS officers.
If you have completed Graduation in any discipline from recognized university then you are eligible for IAS exam.
The Civil Service Exam consists of 3 stages-
1. Preliminary exam
2. Mains exam
3. Interview round
To know more about an IAS officer visit the following link-
All the best.
To appear for UPSC Civil Service Exam you need to pass graduation in any discipline from a recognized University, you can also appear in the final year of graduation on provisional basis that is you are required to submit the documents within the prescribed time frame by the officials, the minimum age has to be 21 years as on 1st August of the appearing year, see this exam is highly compeitive and it has got extensive syllabus, much more than your stream or discipline in graduation it's your proper planning and strategy along with single minded focus, dedication and perseverance which are more of personal attributes that help you sail through this exam, and you need proof or inspiration as in if any commerce stream candidate have qualified this exam, go through previous year topper list of top 20, one amongst this belonging to commerce stream and he is also CA by the way become an IAS, hence if you can take this as an inspiration you too can surely become provided you put the required diligence, efforts, perseverance all through the journey,
Yes a student of any stream can become ias officer as the minimum condition required for attempting ias examination is that you should have completed graduation in any particular course and after that you have to choose a particular course as optional which is of 500 marks .
As you are commerce student subjects like sociology, public administration, economics, psychology, etc should be good for you as optionals.
Hope it helps ...