Updated On: 16 December, 2021 09:38 AM IST | Mumbai | ANI
The 39-year-old star sang a few lines of the actor`s popular song `Om Shanti Om` from the 1980 romantic thriller `Karz`

Ranbir Kapoor at Brahmastra motion poster launch event. Pic/Pallav Paliwal
Actor Ranbir Kapoor paid a small emotional tribute to his late father Rishi Kapoor at the official poster launch event of his upcoming movie `Brahmastra` in the national capital on Wednesday.
`Brahmastra` director Ayan Mukherjee with lead actors Ranbir and Alia Bhatt was also present at the event. After unveiling the official poster of the much-anticipated movie, Ranbir got emotional and recalled his conversation with his father about the film that was under production for more than eight years. "I miss my father terribly today. I remember during the making of the film, he kept fighting with Ayan and me and kept questioning us.