Hello there,
Yes, BS.c Environmental Science graduates are eligible for Civil Service Examination. The minimum criteria for appearing in Civil service exam (widely known UPSC) is to have a bachelor's degree in any stream or subject. A candidate should be Indian Citizen, and the age limit for this exam is 21 years old to 32 years old.
Kindly check the given link, to get more information on UPSC 2025.
https://competition.careers360.com/articles/upsc-ias-eligibility-criteria
Good luck.
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile