What are India's riches BEFORE the the time when the British East India company arrived?

Pleas give examples. I'm having a very hard time looking up this on the net. Thanks in advance!What are India's riches BEFORE the the time when the British East India company arrived?
"The part of India known as Malabar," Marco Polo had written, "was the richest and noblest country in the world."



Up until the eighteenth century, interest in India was largely for trade and other commercial purposes. India was a land with multifarious riches: silks, spices, diamonds, gold. And these brought good prices in Western ports. In Boston, for instance, merchants dealing with Indian trade quickly grew in wealth and prestige. It was considered a distinction to have one's office on "India Wharf," where American captains sought for their families and business acquaintances such treasures as carnelian necklaces, pieces of valuable cobweb Dacca muslin and even rare books in SanskritWhat are India's riches BEFORE the the time when the British East India company arrived?
the wonderful smell of monkeys and elephants mixed with the b.o. of 250kagillion people who would later become stars in the world of telephone customer service.