The Rule
The personal pronoun “I” is always capitalized in English, regardless of its position in a sentence. This is an orthographic convention that every native speaker should know.
Whenever I have seen this ‘rule’ broken online, irrespective of their nationality, I've tended to make the fol...
Also, your question is asking so many things, and your comments/responses to me sound like you're looking for an answer to a question which is not stated there. (like that link about pronouns: Indian language may have lots of pronouns which show respect-grades in comparison to English, but ostensibly your question is written to ask about if Indians write 'i' instead of 'I' usually.
Is the idea you have that Indians will want to write 'i' when talking to someone more respectful, and 'I' when talking to someone less respectful (like a sort of written T-V distinction)?
I have a question regarding the interpretation of an excerpt from a novel (specifically why reference was made to a particular writer). Is this sort of literary question on-topic or should it be posted elsewhere?