Cyrus Poonawalla, chairman of Serum Institute of India, is the richest man in Pune with a net worth of over Rs 204300 crore. He owns a Rs 750 crore home and has significantly influenced vaccine development in India. Poonawalla stands at ninth rank in India's rich list, with a fortune of $24.2 billion, according to Forbes. His company, the world's largest vaccine manufacturer, is renowned for producing more vaccines than any other company globally.