Kolkata, May 7: Around 500 underprivileged children participated in multiple activities related to literature, art and culture during an inter-orphanage talent festival held for the first time in Kolkata, the organisers said on Monday. The festival “Nakshatra” brought together the children from various rainbow schools and shelter homes, who had a memorable seven hours of fun and smiles at the Birla Industrial and Technological Museum auditorium on Sunday.