Sharmaji Namkeen is Rishi Kapoor's last film, which will release on March 31. His son Ranbir Kapoor has stepped in to promote the film, he spoke to NDTV's Rohit Khilnani about how passionate his dad was about this movie. Ranbir also praised girlfriend Alia's work in Gangubai Kathiawadi and said they will marry soon.