The International Open access day was celebrated on 24th October at CSIR-NAL (National Aerospace Laboratories), Bangalore India. Prof. P Balaram, Director, Indian Institute of Science(IISC), and editor of 'Current Science" and Dr. L Venkatkrishnan, Head, Experimental Aerodynamics Div., NAL were chief Guests. Dr. poornima Narayana, Head Information center and Mr. Shyam Chetty, Acting Director, CSIR-NAL organized the event.