Actress Raveena Tandon has been cast as Heeraben Modi, the mother of Prime Minister Narendra Modi, in the upcoming multilingual biopic 'Maa Vande'. Under the Silver Cast Creations banner, Unni Mukundan will portray PM Modi's role. The film focuses on mother-son relationship, its sacrifices, and Heeraben's resilience and contributions that make her son's life better, claimed sources.