Varanasi . In the first lecture of the concluding ceremony of a two-day international webinar organized under the joint aegis of the Department of Physical Education, Faculty of Kashi Hindu University and Sports Exercise Science British, in the context of Kovid-19 in the context of Physical Education, Sports and Exercise Sciences of Kurukshetra University Prof. In his lecture Arvind Malik gave a lecture on dietary supplements based on Indian herbs and plant medicines and resistance enhancement.