Prime Minister Narendra Modi today performed various rituals and prayers and took a dip in the Ganga as he launched the Kashi Vishwanath Corridor project with chants of "Har Har Mahadev" in his constituency Varanasi in poll-bound Uttar Pradesh. Prime Minister Narendra Modi has taken a keen interest in the project, his office has said. Here is your 5-point guide about the project.