however, in west bengal, tripura, mizoram, odisha, and assam, the indian rupee is officially known by names derived from the sanskrit word टङ्क (tanka) which means money. the rupee is called টাকা (taka) in bengali, টকা (tôka) in assamese and ଟଙ୍କା (tanka) in odia and is written as such on indian banknotes.