To expand and establish Germany’s dominance, which in his eyes, required killing off people who he deemed to be imperfect
Answer:
I think any relationship between the Indus Valley and the deep Dravidian south is unlikely because of the vast gap in space and time. About 2,000 years and 2,000 miles. But linguistically, if the Indus script is understood, we may hopefully find that the proto-Dravidian roots of the Harappa language and South Indian Dravidian languages are similar.
Lack of expenses.
Let me know if that was right, and good luck!!!