World’s Longest Dam in India | HIRAKUD DAM It is one of the longest Dam in the world, Hirakud stands in its lone majesty across the great river Mahanadi which drains an area of 1,33,090 Sq. km more than twice the area of SriLanka. Amazing Video [email protected] The bulk of this Dam contains earth, concrete and masonry materials, “sufficient to make a road 8 metre wide and pave it from Kanyakumari to Kashmir and Amritsar to Dibrugarh in Assam. From horizon to horizon the reservoir forms the larg