I don't see any difference

What is the difference between this coin and this one? N#6325

It looks like that N#579835 is a duplicate. That is just for km#48.1 while the other page is for all three subtypes (km#48.1-3).

N#579835 should be deleted and folded into the N#6325 . 

It’s this one character;

Should still probably be merged.

Here is a documentation based on Marc's findings:

My old documentation with the “D” pointing up or down doesn't seem to be correct, so it should be deleted!

I'll make the CR now.

Maybe highlight this too:

and the numbers are different

The Devanagari script or Hindi was amended for teleprinter or typewriter fonts and the first one is only for year 1964.

This has been validated:

but only for the km48.1, the 48.2 was rejected, which I have appealed!