त्रिवेणी नहर गण्डक नदी से निकाली गई है यह निम्नलिखित में से किस जिले की भूमि सींचती है ? - The Triveni canal has been taken out from the Gandak river, it irrigates the land of which of the following districts? - Triveni Nahar Gandak Nadi Se Nikali Gayi Hai Yah NimnLikhit Me Se Kis Jile Ki Bhumi seenchti Hai ? Bihar Gk in hindi, Canals and Irrigation Pashchimi Champaran question answers in hindi pdf Darbhanga questions in hindi, Know About Poorvi Champaran Bihar Gk online test Bihar Gk notes in hindi quiz book Mazaffarpur