Ramdhanu (transl. The Rainbow) is a 2014 Bengali family drama film directed by Nandita Roy and Shiboprosad Mukherjee. It was adapted from Suchitra Bhattacharya's short story, Ramdhanu Rawng. The film was produced by Windows and Jalan International Films and was presented by Atanu Raychaudhuri, Anirban Mitra. It released on 6 June 2014 and had performed well at the box office. The film has been cinematographed by Sirsha Ray and edited by Moloy Laha. The film was remade in Malayalam as Salt Mango Tree.