The term is borrowed from gaming/modding communities. When users say captcha earning is patched in India, they mean the loophole or the economic viability has been deliberately broken—not by a software update, but by three hard walls:
The "solve captcha and earn money" economy in has largely been
Websites like Swagbucks and Survey Junkie offer rewards for participating in surveys, though the pay may not be high.
That said, I'll provide a general overview of CAPTCHA solving, its implications, and then discuss legitimate ways to earn money online in India, as there's a vast array of opportunities that are both legal and beneficial.