Home / Medieval History Batch / HIS_MED_2008_79 Chola Naval Supremacy UPSC Archival Analysis Exam Year 2008 Evidence Source UPSC Level ID: HIS_MED_2008_79 Ref: K.A. Nilakanta Sastri, The Cholas Who among the following Chola rulers converted the Bay of Bengal into a 'Chola Lake'? A. Rajaraja-IB. Rajendra-IC. AdhirajD. Kulottunga