It's kind of misleading. No one has a yellow card in Mumbai. People with an annual income of ₹15,000 get a yellow card.
People living in rural areas might get help, but only if they earn less than ₹1,500 per month, which qualifies them for a yellow card. But who in India earns less than ₹1,500 per month?
This is marketing, and many are donating as well. For an orange card, they are charging ₹1,800.
The way it’s advertised, like ₹10, is misleading. And no one would know about the yellow card unless they go there.