+2 2nd yr Science Physics Subject - Optics (Part-1)

+2 2nd yr Science Physics Subject - Optics (Part-2)

+2 2nd yr Science Physics Subject - Optics (Part-3)

+2 2nd Year science Botany- Ecological pyramid-Part 1

+2 2nd Year science Botany Nutrient cycling Part 2

+2 2nd Year Science Botany - Ecological successions Part 3

+2 2nd year science chemistry- solid state (part-1)