Prime Minister Narendra Modi will flag off the world's longest river cruise, MV Ganga Vilas, and inaugurate a 'Tent City' on the banks of the Ganga river in Varanasi on January 13 via video conferencing. His office said in a statement that he will also inaugurate and lay the foundation stones for several other inland waterways projects worth more than ₹1,000 crore during the event. Watch the video for more.