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It would be debatable to conclude that Indian toilets are eco-friendly only because Indians do not use toilet paper. The same purpose is served by precious water -- and a lot of it.
A typical Indian toilet will look like this:
A faded bowl which was milky white when it was installed, but is considerably less white given a long history of usage. A container (typically an Asian Paints Dabba used for last Diwali) under a leaking tap. Vestigial hair, dead ants and other ill fated arthropods in the four corners. Flushing system which makes an unearthly long lasting dissonance when used.