Explore the fascinating journey of our Universe in this comprehensive lecture on cosmology. Delve into the currently accepted model, tracing the evolution from the dense matter and energy of the early Universe to the formation of galaxies, stars, planets, and life. Discover the significant breakthroughs achieved by cosmologists in recent decades as they unravel the sequence of cosmic events using advanced observations and sophisticated theoretical models. Learn about the most important cosmological events in the history of our Universe, presented by theoretical astrophysicist Tirthankar Roy Choudhury from the National Centre for Radio Astrophysics. Gain insights into cutting-edge research on the formation of the first stars and the ongoing efforts to build the world's largest radio telescope, the Square Kilometre Array.