Kartik Aaryan and Vidya Balan are actively promoting 'Bhool Bhulaiyaa 3' with a playful appearance on 'Kaun Banega Crorepati.' They have fun reenacting scenes and engaging fans on social media. The film, set to release on November 1, features Madhuri Dixit and will face competition from Rohit Shetty's 'Singham Again.'