Lucknow, Feb. 15 -- Asserting that the state is going to earn revenue of Rs 3 lakh crore from the Mahakumbh, chief minister Yogi Adityanath on Friday called for preparing the Sangam city and the rest of Uttar Pradesh for such future mega events, requesting Union minister for road transport and highways Nitin Gadkari to approve a new bridge parallel to the Shastri Bridge and a signature bridge over the Yamuna in Prayagraj....