Congress leader Digvijaya Singh launched a book 'Narmada Ke Pathik' in Bhopal on Thursday and said, "Till today I have not met (home minister) Amit Shah. But I expressed my gratitude to him through proper channels." He elaborated, "Elections were going on in Gujarat, Digvijaya Singh is their biggest critic, but he (Amit Shah) ensured that there should not be any problem during our yatra. They found the way for us through the mountains and also arranged food for all of us." (Video Credit: ANI)