Answer
No, Tejasswi Prakash did not win Fear Factor: Khatron Ke Khiladi 10 in 2020. The winner was Karishma Tanna, who was the first female contestant to win the show. Prakash was the runner-up, and she was one of the most popular contestants on the show. She is a popular Indian television actress who has starred in several shows, including Swaragini and Pehredaar Piya Ki.