The Serum Institute of India (SII), led by Adar Poonawalla, has been identified as India’s most valuable unlisted company. The Burgundy Private Hurun India 500 list features the Serum Institute and other prominent companies such as NSE, Swiggy, Razorpay, and Dream11. The Serum Institute’s value is estimated at Rs 1,92,000 crore. The National Stock Exchange (NSE) is valued at Rs 1,65,300 crore and is led by CEO Ashishkumar Chauhan. Swiggy, Razorpay, and Dream11 are valued at Rs 58,400 crore, Rs 61,700 crore, and Rs 65,800 crore, respectively. These companies have achieved significant success in their respective industries and continue to thrive in the Indian market. The recognition of these companies as top unlisted companies further solidifies their position and highlights their potential for growth and impact on the Indian economy.