The present Jamuna channel formed as the Brahmaputra changed course after floods in which period?
Correct answer D. 1782-1787
Explanation
Banglapedia explains that the Jamuna is the downstream course the Brahmaputra adopted after the earthquake and catastrophic floods of 1782 to 1787, leaving the Old Brahmaputra to the east.
Answer checked How we write and check questions
Discussion