Anupam on Saturday night took to Twitter and shared a photograph of himself along with the Hollywood star.
"Wishing my friend and the greatest actor on earth Robert De Niro a fantastic birthday. May God give him all the happiness in the world. Jai Ho," Anupam captioned the image.
A double of US actor Robert De Niro poses outside the Hotel Maria Cristina in San Sebastian, northern region of the Basque Country, Spain, 18 September 2015. The San Sebastian International Film Festival will run from 18 to 26 September 2016. EFE/Juan Herrero/IANS
Earlier this year, "The Accidental Prime Minister" actor celebrated his 64th birthday De Niro in New York.
De Niro and Anupam have together worked in the "Silver Linings Playbook" directed by David O. Russell. It was adapted from Matthew Quick's 2008 novel of the same name.
-- Syndicated from IANS