Now that you mention it, India does use type D. Your image says type M. So you are right; D is the silly one. The larger holes are for higher amperage devices, but all the small holes are just because manufacturing tolerances are all over the place.

This diagram doesn’t do the utter goofiness of type M justice.

Here are a few styles you will come across.

That Land Down Under song. I still have no idea what the women or men do but I can hear the thunder.

“We have redacted one name.”

“Would you look at that; Trump isn’t on this list at all.”

Oh no, the MAGA company has disappointed the MAGAs. How are they going to burn this one in protest?