T, D and TH appear in the most common words of English: the, this, think, three, today, water, data. Learn these shifts and a large part of Indian English becomes instantly clear. What you will learn: • Why Indian languages have two kinds of T and two kinds of D (dental and retroflex) • English T and D said heavy and curled back: time, today, doctor • TH said as a soft dental T or D: thank, three, this, mother • Why "three" and "tree" are actually different for many Indian speakers • The crisp T between vowels: water, city, better, data, meeting • Clear final T and D, and full "-ed" endings • Practice sentences, number-safety tips and self-check questions Level: B1–B2. Self-study: listen, then take the quizzes. Audio voiced with AI from an original script by Dr. Rashmi R Nair.