HI ASPIRANT

UPSC exam is conducted in three stages, where stage 1 and stage 2 is written:

Stage I - Preliminary Examination (usually conducted in May/June, results by August)
Stage II - Main Examination (usually conducted around November, results by February/March)
Stage III - Interview (usually conducted over Marc/April, final results announced a few days before the next preliminary exam)

To know more about UPSC refer this article https://competition.careers360.com/exams/upsc-civil-services-exam

THANKYOU