The venu (Sanskrit: वेणु; vēṇu/मुरळि; muraļi) is one of the ancient transverse flutes of Indian classical music. It is an aerophone typically made from bamboo, that is a side blown wind instrument. It continues to be in use in the South Indian Carnatic music tradition. It is referred to as nadi and tunava in the Rigveda and other Vedic texts of Hinduism. In northern Indian music, a similar flute is called bansuri. In the south, it is also called by various other names such as pullanguḻal (புல்லாங்குழல்) in Tamil (Tamil Nadu), oodakuḻal (ഓടകുഴൽ) or kurungu kuḻal (കുറുന് കുഴൽ) in Malayalam (Kerala) and ಕೊಳಲು (koḷalu) or ಮುರಳಿ (muraļi) in Kannada (Karnataka) . It is known as pillana grōvi (పిల్లన గ్రోవి) or vēṇuvu (వేణువు) in Telugu (Andhra Pradesh & Telangana). It is also called as Carnati