Webinar is Short form of Web-based seminar; it is a presentation, lecture, workshop or seminar that is transmitted over the Web using video conferencing software. A key feature of a Webinar is its interactive elements -- the ability to give, receive and discuss information. Contrast with Webcast, in which the data transmission is one way and does not allow interaction between the presenter and the audience. In terms of educational scenario webinar is an online seminar that allows participants from anywhere in the world to come together in a virtual classroom to share information via the internet. Webinars use virtual classroom software to host participants. These platforms provide for the use of other web tools such as presentation slides, text chat, and web cameras. During Corona period when normal seminar could not be organized, then Webinar became very popular and effective platform of knowledge transmission and interaction with a wide range of audience.