To give an idea of their course, various faculty members have graciously made their course introduction lectures available for all students.
CS 711 Topics in Computational Ring Theory and Algebras (webpage)
CS 765: Introduction to Blockchains, Cryptocurrencies, and Smart Contracts (webpage)
CS 620/CS671 Critical Thinking for the Digital Age (Note that 620 and 671 are one and same courses and unless you have already registered for 620 in past, you should register for 620 and not 671. )
CS 663: Fundamentals of Digital Image Processing Slides. (to access, login to your Gsuite account via iitb sso)
CS738: Concepts, Tools and Algorithms for Model Checking. (webpage)
CS 631 Implementation Techniques for DBMS. (Click here for DB Research@IITB Link)
CS601 Algorithms and Complexity (password: uQiXMpJ6) (Slides)