Prof. Anand Sengupta, IIT Gandhinagar as the distinguished speaker for this month's edition of the DA-IICT Public Lecture Series. Prof. Sengupta's talk "Cosmic Harmonies: Key Discoveries from the Gravitational Wave Songbook" will discuss the remarkable discoveries that have happened since the detection of gravitational waves in 2015 and explore the future of this exciting field. Prof. Sengupta's research areas include the detection of gravitational waves and aspects of CMB data analysis.