If it is to be, it's up to thee.
I saw another post where the moderators said there simply aren't more visitors asking about India and experts answering those questions. If you have questions or information, feel free to share it with us :D
Do I need to provide a source for my claim? :o
Because it's not part of Western history and most Redditors are Westerners.
Similarly Chinese history pre-Mao (or at least pre-Opium Wars) or SEAn history or African history (besides "why was Africa so undeveloped" and variants) are all underrepresented.
I'd suggest that there's another reason, aside from the askers being less interested in things that don't relate to themselves. I'd offer up the issue that, when India questions are asked, they are very quickly brigaded by people from /r/india or /r/indianews, and it very quickly turns into Hindutva chest-thumping, and this often leads to the posts removal. Or in cases where it's not removed, people who might have actual answers don't always care to expose themselves to the kind of vitriol that those questions tend to bring forth.
There's not a lot of room for objective nuanced discussion on a lot of topics relating to Indian history. This is true on Reddit as well as in India. Watch ten minutes of an Indian news channel and you'll see that it's a systemic issue.
That said, we have had a number of really good India related questions that did get answers. I tend to answer questions about the Northeast when they come up, rare as that is, and we have a couple flairs for various parts of the subcontinent.
I've asked questions about India, and they've gained upvotes, but no one answered them. I'm assuming no one specializes in Indian history.
It's due to lack of supply (of knowledgeable historians) and lack of demand (few questions are asked, and fewer still are upvoted by the general reddit public).
Looking at the list of flaired users it seems like /u/JJatt is the only expert on India in /r/AskHistorians (if you look at the list it is easy to see that, in general, experts on North America & Europe outnumber experts on South America, Africa and Asia). A lot of questions that aren't about Europe or the US go unanswered because this sub doesn't have too many active users who are experts on other parts of the world (I guess primarily because this is an Anglophone site with lots of American and European users).