JNTUA B.tech 1st Year Sem Notes & Materials JNTUA B.tech 1st Year Sem Civil Branch Notes & Materials JNTUA B.tech 1st Year Sem ECE Branch Notes & Materials JNTUA B.tech 1st Year Sem CSE Branch Notes & Materials JNTUA B.tech 1st Year Sem EEE Branch Notes & Materials JNTUA B.tech 1st Year Sem Mech Branch Notes & Materials