The Civil Services Main Examination – 2011 is a competitive examination conducted by the Union Public Service Commission (UPSC) for Indian students who aim to join the civil services. It is open to candidates who have cleared the Preliminary examination and meet the required academic qualifications. The examination assesses candidates' knowledge across various subjects and their ability to articulate their understanding effectively.

Candidates must have completed a degree from a recognised university or possess an equivalent qualification. Only those who qualify in the Preliminary examination are eligible to appear for the Main Examination. There are no specific income or category-based conditions for this examination. However, candidates must adhere to the age limits and attempt restrictions as prescribed by UPSC.

Eligible candidates must apply online through the official UPSC portal when applications are invited. They need to fill in the application form, upload required documents, and pay the prescribed fee. After submitting the form, candidates should download and preserve the confirmation page for future reference. Detailed instructions are provided on the UPSC website.