So the retroflex consonants in, for example, Hindi, include ʈ (unvoiced unaspirated), ʈh (unvoiced aspirated), ɖ (voiced unaspirated), and ɖh (voiced aspirated).

You will now be able to identify the two consonants as they originally look," he said. Debiprosad Chatterjee of the Bangla Akademi said the reform was long overdue.