Bihar CM Samrat Choudhary assures a permanent bridge between Revelganj (Saran) and Sitab Diara (Ballia) to replace the pontoon route and boost all-weather. Patna: Hopes have been renewed for the construction of a permanent bridge between Bihar’s Revealganj in Saran district and Sitab Diara in Ballia, Uttar Pradesh, as Chief Minister Samrat Choudhary has assured that the government will pursue the construction of a permanent bridge instead of a pontoon bridge on.