The correct answer is: A. a-1, b-2, c-3, d-4
List I (Canals) | List II (Area Covered)
——- | ——–
Rajpur Canal | Munger and Saharsa
Dhaka Canal | Champaran
East Kosi Canal | Saharsa
Kamla Canal | Darbhanga
The Rajpur Canal is a canal in the Indian state of Bihar. It is a branch canal of the Sone Canal, and it irrigates parts of the Munger and Saharsa districts. The Dhaka Canal is a canal in the Indian state of Bihar. It is a branch canal of the Gandak Canal, and it irrigates parts of the Champaran district. The East Kosi Canal is a canal in the Indian state of Bihar. It is a branch canal of the Kosi Canal, and it irrigates parts of the Saharsa district. The Kamla Canal is a canal in the Indian state of Bihar. It is a branch canal of the Gandak Canal, and it irrigates parts of the Darbhanga district.