While India is working on massive green energy projects, it's also doubling down on expanding Coal Capacity [0] as a short term solution to energy independence. China's doing the same
[0] - https://www.reuters.com/business/energy/india-increase-coal-...
Considering how dirty most gas-powered rickshaws have been, I have to assume that the electric versions are much much cleaner in this regard.
A CNG auto-rickshaw is also similarly light on fumes.
In all honesty, all three-wheelers need to be banned in India, but it will never happen because that's political suicide.
Here's how you extract lead from lead acid batteries in the developing world (video is from Pakistan, but same principle in India, Vietnam, Phillipines, etc) [0], because Western Europe level environmental and labor laws aren't a thing.