Is karan the twin brother of ranchod in real life?

No, Karan and Ranchod are not twin brothers in real life. They are characters from the Indian television series "Kyunki Saas Bhi Kabhi Bahu Thi," where Karan is portrayed by Hiten Tejwani and Ranchod is played by a different actor. The actors may have played brothers on screen, but they are not related by blood in reality.