Some detailed maps of the Indian subcontinent taken from my atlases (arranged somewhat chronologically & thematically):

Roughly Prehistoric to Iron Age India Vedic India + Spread of Classical Hinduism in India

That the Mahābhārata is concomitant w/the Iliad can be seen through narrative parallels. Any rapprochment need not imply a direct derivation of one from the other, but it may point to a common kernel between both. One such association can be seen between Agamemnon & Duryodhana As aforementioned, the two warriors Agamemnon & Duryodhana share similar narrative stories within either plot including but not limited to: reprehensible behavior to the goddess' sons, abjure the advice of elders, commit malfeasances on women, offending the auguries of seers

A quick gloss on Gold in Vedic & Hellenic poetry:
Gold is likened to virile seed in both's mythos. In ŚB 12.7.1.1 retasa evāsya rūpam asravat tat suvarṇaṃ hiraṇyaṃ abhavat (from his *Indra* seed his form flowed, & became gold) while in Pindar's Pythian Ode 12.17 υἱὸς Δανάας τὸν ἀπὸ χρυσου̂ φαμεν αὐτορύτου ἔμμεναιie (Perseus, the son of Danae, who they say was conceived in a spontaneous shower of gold). It is worth glossing that retas (sperma) is rationalized as gold as a manifestation of light, light being the common element between the two