Year 2019 has been designated by UNESCO as the International Year of Periodic Table. Marking the 150th Anniversary of Scientist Mendleev an iconic image, Department of Science and Technology in collision with LPU organised a seminar for the science students of XI & XII classes and the resource person was Dr.Jandeep Singh. To make the students understand the periodic table rather than cram. The properties of elements were also explained to the students in different ways. Addressing the students the school, Principal Upasna Modgil, called it as a vital tool to all who learn and work in science at all stages of learning and career.