One of the most commanding opposition voices is the rich baritone of Palanivel Thiaga Rajan. In the maelstrom of Indian politics, PTR, as everyone calls him, is an improbable figure. Regally portly, imperturbably placid, and savagely articulate, the man who until recently was responsible for managing the finances of Tamil Nadu—India’s second largest economy—is now on a new mission: to make Chennai, the capital of his state, the next IT capital of India. The Man Who Wants to Defend India From Modi