MUMBAI: This Friday, 'Kaun Banega Crorepati 13's 'Shaandaar Shukravaar' episode will have two sports stalwarts as special guests, including the first track and field athlete to win a gold medal for India at the Olympics, Neeraj Chopra, and the one nicknamed as 'Great Wall of India', P.R. Sreejesh, who was instrumental in India's bronze-medal winning hockey campaign at Tokyo 2020.