30th Annual Report 2017-18

118 Optical astronomy programme , IUCAA and Mega Projects in Astronomy – India Participation , S.N. Bose National Centre for Basic Sciences, Kolkata, and IERCOO, Sitapur, Paschim, Medinapur,West Bengal, November 6, 2017. V. Jithesh High energy properties of the flat spectrum radio quasar 4C 50.11 , 3rd National Conference on High Energy Emission from Active Galactic Nuclei, University of Calicut, Kozhikode, November 30, 2017 (Invited). Long-term spectral variability of the ultra-luminous x-ray source Holmberg IX X-1, RegionalAstronomyMeeting-IV, WMOArts and Science College, Muttil,Wayanad, December 1, 2017. Konstantinos Kolokythas GMRT observations and AGN feedback implications of brightest group galaxies in the local Universe, Astrophysics Seminar, Department of Physics, LeidenUniversity, January 10, 2017. Low frequency GMRT radio observations of brightest group galaxies in the local Universe, Institute for Astronomy, Astrophysics, SpaceApplications and Remote Sensing (IAASARS), National Observatory ofAthens, December 15, 2017 (Invited). Ranjeev Misra AstroSat , Workshop on AstroSat Data Analysis, Tezpur University, May 2017. AstroSat: A new era for rapid x-ray timing , Workshop on Astronomy and Astrophysics: Recent Trends and Scopes, AssamKaziranga University, Jorhat, May 2017. AstroSat, Workshop onAstroSat Related Science andDataAspects,ARIES, Nainital,August 2017. AstroSat ,Workshop onAstroSat DataAnalysis, IUCAA, November 2017. AstroSat, Workshop on Multi-wavelength Observations using AstroSat, Christ University, Bengaluru, December 2017. LAXPC background , InternationalWorkshop onAstroSat ViewofAGNCentral Engines, IUCAA, December 2017. AstroSat and black holes, Workshop on IntroductoryAstronomy, NIIT, Rourkela, March 2018. Nikhil Mukund Updates on Lockloss monitoring and prediction , Amaldi'12Meeting Pasadena, California, July 10, 2017; and LIGO Virgo CollaborationMeeting, Pasadena, California, March 20, 2018. Jayant V. Narlikar Hoyle's theories and ideas about gravity, Conference on Recent Developments inGravity, Drakensburg, SouthAfrica, April 14, 2017.