Can I transfer MB from an Airtel SIM to another SIM?

Download Master Controller. While playing the game, click on your Sim, choose NRaas -> Master Controller -> Stylist.

You can't. The SIM does not have adequate storage capabilities to hold such files — this also goes for videos, music and text files.

It should work for any sim.

While it is not possible to transfer games from one Apple ID to another, what you can do is sign into your old Apple ID and download your games, then...

Yes, you can. Just as long as the SIM card you are using has a plan because it is only cellular data.

You will first have to change your fairy Sim to a normal Sim using the potent cure elixir or the "ask forsake the fae" action with a significant other, then...