India And Bangladesh Relation

The governments of India and Bangladesh have experienced disagreements on various matters, including the distribution of waters from the Ganga and Brahmaputra rivers.The Indian government has expressed dissatisfaction with Bangladesh's stance on several issues, including its denial of illegal immigration into India, support for anti-Indian Islamic fundamentalist groups, refusal to permit Indian troop movement through its territory to northeastern India, and its decision not to export natural gas to India or allow Myanmar to do so via Bangladeshi territory.The two nations have been unsuccessful in resolving their boundary dispute.
So, the correct option is (B) : River water dispute.