A webinar was organized on Dec.9, 2021 by the Department of Applied Science for the first year students on the topic “Grand Challenges in Understanding the Magnetically active Sun.” Webinar started on Google meet platform with the welcome speech of Dr. Santosh Kumar. After the welcome speech, Dr. Abhishek Kumar Srivastava, Associate Professor, Department of Physics, IIT BHU, Varanasi started his talk. In the beginning of the talk, Dr. Srivastava describes the basic structure of the Sun and discussed the magnetic effects present in the atmosphere of the Sun. He also mentioned the process of nuclear fusion. The learned speaker has also explained the contribution of magnetic waves at the Sun's surface. In this lucid talk the phenomenon of space weather and spikes of magnetic waves were discussed. The speaker has also emphasized the emerging scope and importance of Research in the field of AstroPhysics. The content of the talk was scientific and presented with experimental observations. The Webinar ended with the vote of thanks by Dr. Vinay Gupta, Head, Department of Applied Science.