2nd international conference on Advances in Theoretical and Applied Physics-2020 (ATAP-2020) was organized by the department of Physics GCWUF on 2-3 March, 2020. ATAP-20 aimed to promote research and development in Theoretical and Applied Physics. Mrs. Asma Khurshid, Incharge department of Physics, was convener of this conference. The Patron in chief of the conference was Prof. Dr. Robina Farooq, Vice Chancellor of GCWUF and patron of the conference was Mrs Ghazala Sohail, Coordinator Sci & Technology.