Hello student,

UPSC or Union Public Service commission each year conducts civil service examination for various posts like IFS IAS IPS and other Central services.

Actually in UPSC examination mathematics is a very uncommon optional subject so the competition will be limited. However the medium doesn't impact on your optional subject written examination. If you are comfortable in Hindi or other religion languages you should go for that. Otherwise if you are comfortable enough in English then you should go for that.

Click on the link below to know each and every details of UPSC examination

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