Sounds like the Janes? Neither Hindu or Buddhist really, very mixed up bunch of course. I remember those dudes in India, they walked forwards but swept the path with a brush.
Not to be confused with the hero of Canton the man they call Jayne of course![]()
IIR, the Jain's borrowed the backwards-walking. Regardless, it explains the end of (either) group. The swastika notwithstanding.