Correct Option
(A) The correct north-to-south sequence of eastward-flowing Peninsular rivers is Subarnarekha, Mahanadi, Godavari, Krishna, Pennar, Cauvery, and Vaigai. This order accurately reflects their geographical positions along the eastern coast of India.
Incorrect Options
Option 2 incorrectly places Krishna north of Godavari. The Godavari river is situated north of the Krishna river. Additionally, it omits Pennar and presents an incomplete sequence.
Option 3 incorrectly places Mahanadi north of Subarnarekha; the Subarnarekha river lies north of the Mahanadi. Furthermore, it incorrectly places Pennar south of Cauvery, whereas Pennar is geographically north of Cauvery.
Option 4 contains multiple inaccuracies. It incorrectly places Mahanadi north of Subarnarekha and Krishna north of Godavari. The Pennar river is also misplaced at the end of the sequence, as it is geographically north of both Cauvery and Vaigai.