Department of Mechanical Engineering, Periyar Maniammai Institute of Science & Technology (Deemed to be University), Thanjavur ,Indian Society of Technical Education & Institution of Innovation Council and Department Physics Jointly organizes a Online Webinar on Thin Film-An Introduction Lecture given by Resource Person Dr.K.C.James Raju, Dean School of Physics, University of Hyderabad, India on 07.12.2021.