 He has given invited lectures at several International Institutions like, European Space Policy Institute, Paris, Space Institute at Strasbourg, United Nations conferences at Vienna, NASA conference on Project Management at Houston, US, Jet Propulsion Laboratory, Los Angeles, and many more.He has written a book titled "Integrated Design for Space Transportation System" in association with his colleague Dr. K Sivan in November 2015 highlighting the complexities of rocket science, Published by international publisher M/s Springers.This book has been awarded Engineering Science Book Award by International Academy of Astronautics for year 2019.