After the preliminary round, IAS Mains 2017 will be conducted for the successful candidates on October 10. The Union Public Service Commission (UPSC) conducts the civil services examination for selecting eligible candidates for various administrative positions in All-India Services and central civil services including IAS, IFS, IRS, IPS and IRTS. 
The commission releases exam notification and results at upsc.gov.in and candidates can apply online for the exams at upsconline.nic.in. UPSC Civil Services 2016 result has been delayed due to certain reasons. The result will out in some days.

Source :  India.com