Plinko is among the more searched casino games in India, largely because the rules take ten seconds to explain. The practical questions are about access and payment.
Gambling law in India is set mostly at state level and the states differ. Several prohibit online real-money games outright, others do not address them, a few regulate them. This is not legal advice: establish the position in your own state rather than assume a national answer exists.
In a browser. Implementations run on mobile without installation, which is why most Indian traffic to these games arrives on a phone. Applications exist and add nothing to the game.
Deposits commonly go through UPI and wallet services. Two points apply regardless of operator: confirm the withdrawal route before depositing, and expect payment intermediaries in this sector to change often — a source of delays unrelated to the game.
It can be verified round by round. How.
Yes, in demo mode, with identical maths.