Ravi resigned----------illness
10th grade is the subject you are studying in school? Usually people take classes like math, science, history, etc. And what is your question here? What do you need help with? What is the assignment?
It seems like you're providing a statement rather than a question. If you're looking for an explanation of the statement, I can help with that.
The statement "Ravi resigned due to illness" suggests that Ravi decided to leave their job because of health issues. Resigning due to illness is not uncommon, as one's health can significantly impact their ability to work effectively.
If you have any specific question related to this statement or if you need further information, please let me know.