Ajay Devgan and director Prakash Jha were spotted on the sets of stand-up comedian Kapil Sharma's show 'Comedy Nights with Kapil' to promote their forthcoming film 'Satyagraha' starring Amitabh Bachchan, Kareena Kapoor, Arjun Rampal, Manoj Bajpai, Amrita Rao and Vipin Sharma.
