30th Annual Report 2017-18

127 Convocation address , Savitribai Phule Pune University, June 30, 2017. Collisions in space , 2nd Saturday Lecture Demonstration, IUCAA, July 8, 2017. Antaralatil takri (Collisions in space) (inMarathi), 2nd Saturday Lecture Demonstration, IUCAA, July 8, 2017. Analytical reasoning , Zeal Polytechnic, Pune, September 22, 2017. Vedh antaralacha (A view of the sky) (in Marathi), Vivekanand Vyakhyanmala, Vidyarthi Utkarsh Mandal, Mumbai, November 30, 2017. Recent discovery of gravitational waves , Vikhe Patil Memorial School, Pune, December 11, 2017. Convocation address , D.D.U. Gorakhpur University, December 19, 2017. How well do we know our universe? , Somaiya Vidyavihar, Mumbai, January 18, 2018; College of Engineering, Pune, February 5, 2018; International Conference on The Physical Universe, Nagpur, February 25, 2018; and India International Centre,Astha Bharati, NewDelhi, March 31, 2018 . Your experience as an author , Cummins College of Engineering for Women, February 16, 2018. Shodh paragrahavaril jeevshrusticha (Searches for extraterrestrial life) (in Marathi), Someshwar College of Engineering, March 23, 2018 . T. Padmanabhan Einstein's gravity: Past, present and future , Jamia Millia Islamia, New Delhi, August 30, 2017. The story of the calendar , Kerala State Science andTechnologyMuseum, Thiruvananthapuram, December 6, 2017. The cosmos , Vijyoshi Camp, IISc, Bengaluru, December 8, 2017. Aseem Paranjape The Hitchhiker's guide to the cosmic, Presidency University, Kolkata, January 2018. Raghunathan Srianand Dark probes of observable universe, IUCAA, December 12, 2017. Tarun Souradeep th LIGO-India: Beyond discovery into gravitational-wave astronomy , XI SERC School, NISER, Bhubaneswar, November 16, 2017; and IIT, Ropar, August 18, 2017.