(11-17 February 2002, TIFR, Mumbai)
- 2nd ASTROSAT Workshop on Black Hole Astrophysics
(10-16 May 2004, BARC, Mumbai)
- 3rd ASTROSAT Workshop on Active Galactic Nuclei
(21-29 December 2005, M.L. Sukhadia University, Udaipur)
(December 27, 2006 - January 3, 2007, Christ College, Bangalore)
(February 6, 2011 - February 18, 2011, HRI, Allahabad )