Answer: Option [A]The Indian sub-continent was originally a part of Gondwana-land. The Indian subcontinent was formerly part of Gondwana, a supercontinent formed during the late Neoproterozoic and early Paleozoic. Gondwana began to break up during the Mesozoic, with Insular India separating from Antarctica 130-120 million years ago and Madagascar around 90 million years ago.