Video tutorials prepared by the Nehru Planetarium, New Delhi, with grateful acknowledgements to all the Astronomers and educators whose lectures were recorded at/by the Planetarium in the required format for online content.
Geometry of Gravity Prof. Patrick Das Gupta,Department of Physics and Astrophysics, Delhi University
Physics of the expanding Universe Prof. T. R. Seshadri, Department of Physics and Astrophysics, Delhi University
Physics in Astronomy Prof. Patrick Das Gupta, Department of Physics and Astrophysics, University of Delhi