UPSC IAS exam 2016: Union Public Service Commission (UPSC) will release the official notification for the civil service IAS exam 2016 by April 23 on its official website upsconline.nic.in. Eligible candidates can submit their application for UPSC IAS exam 2016 till 20 May 2016. The preliminary examination for UPSC IAS exam 2016 will be held on 07 August 2016.UPSC conducts IAS examination every year to recruit fresher talents into the administrative sector of the country. Six attempts are allowed to every candidate appearing for the UPSC IAS exam. There are three levels of this exam, namely: Preliminary exam, main exam and personality test or interview. Only after clearing all the three rounds, the candidates will be eligible for the posts of Indian Administrative Service (IAS).