SMVDU Katra, September 2019. The School of Physics, Shri Mata Vaishno Devi University (SMVDU), organized an invited talk on the topic, entitled “States and Phases of Matters and Phase Transitions” by Prof. Yashwant Singh, an Emeritus Professor, Department of Physics, Banaras Hindu University (BHU), Varanasi. Prof. Singh addressed and introduced the audience with topics on the various states of matter, phase diagrams, phase transitions, symmetries and conservation laws and many other areas of the contemporary research in an interesting and interactive manner. The talk was attended by the students, research scholars and faculty members of the School, as informed by Dr. Vivek K. Singh, Faculty, School of Physics & Coordinator of the event, to the Media Cell, SMVDU. Prof. A.K. Sharma, Head, SoP, SMVDU along with the faculty members of School were present in the talk, and Prof. Sharma presented a memento to Prof. Y. Singh as a token of gratitude.