Dear Aspirant,

First of all, I would like to appreciate your thought of going for UPSC exam. Secondly, I suggest that you should join a college as it is mentioned in the UPSC eligibility criteria that candidates between the age group of 21 to 32 years with a graduation degree are eligible to apply for the UPSC IAS Exam. Also, Applicants belonging to reserved category are eligible for relaxation in age and number of attempts in the UPSC IAS Exam.

For more details about the eligibility criteria, you can visit :- https://competition.careers360.com/articles/upsc-ias-eligibility-criteria

Coming to the foundation courses for UPSC, there are various institutions providing these. Vajiram and Ravi and Drishti IAS are good and heard coaching institutions.

For knowing more, do visit :- https://competition.careers360.com/exams/upsc-civil-services-exam

Best Wishes!