Which of the following is / are composite river basins?

1) Godavari-Krishna river basin

2) Ganga-Brahmaputra-Meghna

3) Subarnarekha and Baitarani

4) Luni

a. Only 1 and 2

b. Only 3 and 4

c. Only 3

d. All of the above

ANSWER: Only 3 and 4

Explanation:

There are 8 composite river basins – Rivers between Subarnarekha-Baitarani; east flowing rivers between Mahanadi and Pennar; east flowing rivers between Kanyakumari and Pennar; Inland drainage of Rajasthan desert; west flowing rivers of Kutchh and Saurashtra including Luni; west flowing rivers between Tapi to Tadri; west flowing rivers between Kanyakumari to Tadri; Minor rivers draining into Myanmar and Bangladesh.