Formal Languages and Automata Theory

Formal Languages and Automata Theory — a free online course offered by IIT Guwahati through the NPTEL platform. Taught by Dr. Diganta Goswami, Dr. K.V. Krishna. This is an intermediate-level course designed for undergraduate and postgraduate students. Estimated duration: 30 hours (~4 days). Category: Programming & DSA. Certification available through SWAYAM with a nominal exam fee. All video lectures, assignments, and course materials are freely accessible.