How do you know if cardamom is REALLY from Kerala?

Kerala's "true" green cardamom is known for its strong aroma, deep green colour, and natural oil content. But with so many varieties available in the market, how do you spot the real deal and avoid low-quality ones? Are there any quick tests or things you check before buying? some say size and colour matter, while others say the best test is the fragrance. What's your method?

If you're curious, Read more!