Pleistocene fossils of '' Homo erectus '' and other pre - '' H. sapiens '' homonin fossils , similar to '' H. heidelbergensis '' in Europe , have been found in India . According to the Toba catastrophe theory , a supereruption c. 74000 years ago at Lake Toba , Sumatra , covered India with volcanic ashes and wiped out one or more lineages of such archaic humans in India and Southeast Asia
Toba catastrophe theory
Toba catastrophe theory
Indian Ocean