Madhya Pradesh: A culvert on a state highway connecting Narsinghpur to Narmadapuram collapsed following the heavy rainfall over the past 2-3 days in Madhya Pradesh’s Narsinghpur district, officials said on Saturday. The culvert was built over Sukhchain river near Bandesur village in Gadarwara subdivision of Narsinghpur district. Sub-Divisional Officer of Police (SDOP, Gadarwara) Ratnesh Mishra.