Prof. Raghunath Tewari, Associate Professor, Department of Computer Science and Engineering, Indian Institute of Technology Kanpur delivered a lecture on “Pushdown Automata” on 31st March 2021 at School of Computer Engineering, KIIT Deemed to be University. His lecture immensely benefited the graduate and master students, research scholars and faculties with an opportunity to get a head start in Push Down Automata, an emerging technology in the field of Computer Science.