The 40 rupee; in hindi: do ) It is the official currency of the Republic of India. Its emission is controlled by the Reserve Bank of the India. It is divided into 100 paise and its ISO 4217 code is INR.In many parts of the India, the rupee is known as rupaya ( hindi ) roopayi ( do ) in telugu and kannada ( do ) rubai ( do ) in tamil, roopa ( do ) in malayalam, rupaye ( do ) in Marathi, or in other ways derived from Sanskrit, which means " 34 silver;. However, in areas such as West Bengal, Tripura, Orissa and Assam the term derived from the Sanskrit word tanka. Thus, the rupee is called taka ( do ) in bengali, toka ( do ) in Assamese and tongka in oriya.