Candidates are required to apply online using the website http://www.upsconline.nic.in. Detailed instructions for filling up online applications are available on the above mentioned website. Note: The applicants are advised to submit only single application; however if due to any unavoidable situation if he/she submits another/multiple applications then he/she must ensure that application with the higher RID is complete
Complete detail: How to Apply – About Civil Services Exam | Rauias