Complex sentence: The entire eastern India was swept by violence just after India's partition and independence on 15 August 1947, scores of Hindus fled the newly created East Pakistan (now Bangladesh) for India, and Muslims fled Assam for East Pakistan.
Split into simpler sentences: The entire eastern India was swept by violence just after India's partition and independence on 15 August 1947. Scores of Hindus had to flee the newly created East Pakistan for India and Muslims fled Assam for East Pakistan.