Adar Poonawalla, CEO of vaccine maker Serum Institute of India, will buy a 50% stake in filmmaker Karan Johar's Dharma Productions for 10 billion rupees ($119 million), the Bollywood studio said. Poonawalla will buy the stake through his production company, Serene Productions. This is his first major investment outside the pharma sector since 2021, when he bought a 20% stake in social media platform Wakau Interactive.