Correct option is A
The correct answer is
(a) Bay of Bengal and Arabian Sea
Explanation: • Peninsular India is bordered by
Arabian Sea (west) and
Bay of Bengal (east). • Plateau slopes from west to east. • Rivers drain into both water bodies. • Influences monsoon pattern. • Coastal plains lie along both sides.
Information Booster: • Indian Ocean lies to the south, not directly flanking the plateau east–west.
Additional Knowledge: Other options misrepresent the geography of India.