Actress Shobana took to Instagram to announce her "excitement" about being a part of Ranbir Kapoor and Yash-starrer 'Ramayana'. She is set to play the role of 'Kaikasi', Ravana's mother, in the upcoming film. "Honoured to be part of a story that has shaped generations...the immortal story of Rama vs. Ravana," Shobana said. The film's teaser has also been released.