World's longest River Cruise MV Ganga Vilas will reach Patna in the afternoon today. The Cruise on way to Dibrugarh via Bangladesh is in Bihar. AIR Correspondent reports 32 tourists from Switzerland relishing the Varanasi to Dibrugarh journey. The tourists are scheduled to  visit remains of  Chirand archaeological site in the Saran district. It is the first known site of the Neolithic age.<br />''<br />''The Director of Bihar Tourism Department Yashaspati Mishra told AIR  an elaborate arrangements have been made for travelling of various places of Patna for  the  tourists. The cruise will be in Bihar till the 22nd January. MV Ganga Vilas was flagged off from Varanasi by Prime Minister Narendra Modi on Friday. The Cruise will cover a 3,200 km voyage being pitched as the world's longest. <br />''<br />''<br />