My boss wants me to take English classes.

If they've asked nicely and if you think they genuinely are, might be worth considering Maybe he/she actually wants you to grow

Indian or foreigner boss?

When we were new and fumbled whole talking because of nervousness, my seniors would say to revise my English.

In reality, my English is more than enough to communicate and write

Did your boss say this in a helpful way or as a way to mock you?

Then don't take