It is fascinating whenever one thinks about the 25-year journey of A.R. Rahman-Mani Ratnam from 1992 'Roja' to 2017 'Cheliyaa' ('Kaatru Veliyidai' in Tamil). Without an unfaltering trust in each other, they wouldn’t have journeyed together for such a long time. Although Rahman worked with many talented filmmakers across different film industries, his collaboration with our own Mani Ratnam has always given incredible music. While everybody knows the chartbuster songs from all Mani Ratnam-Rahman albums, on our part, we have come up with a list of 9 facts about their combo that surely piques your interest. Take a look!