“Online Examination And Evaluation system” is an web based application built for conducting entrance and written examinations through the online medium using laptop or desktop. The purpose of Online Examination And Evaluation System is to automate the existing manual system by the help of computerized equipments and full-fledged computer system, so that student should not visit physical location to give the exams and the exam data can be stored for a long period of time with easy accessing from anywhere. “Online Examination And Evaluation System” as described above, can lead to error free, secure, reliable and fast management system. It can assist the user to concentrate on their other activities rather to concentrate on the record keeping, monitoring the exam and so on. Thus it will help organization in better utilization of resources. Examinee can be benefited as they no longer need to visit organization for exam and result and can use that time in other activities. This web application is build using the react framework of the javascript for the frontend and django rest framework of the python programming language as backend. This web application require the safe exam browser to take the exam. Safe exam browser is an open source web browser. In this web application the student can register for the entrance exam and all other student and teacher registration is done by the admin. The teacher can add the exam question and can check the student answer after student has taken the exam and mark the student answers. The student can take the exams and see the marking given by the teacher and the admin can manage the overall system.