Hello,

Engineering Service Examination is conducted by Union Public Service Commission (UPSC). The application window for ESE Prelims 2021 was available from April 7, 2021 to April 27, 2021. The exam is scheduled on July 18, 2021.The registration process has already started and ended as well. If you haven't applied then you cannot apply now as the application window is already closed. You need to apply next year. Here is the link where you can find the information related to ESE 2021

https://competition.careers360.com/articles/upsc-ese