Hello Aspirant,

There are number of mediums through which you can get proper network like Hotspots, Data cards, etc.

Mobile phone is not mandatory for the internet connection but if you want you can have a mobile phone for internet connection. Even you can use hotspot of your mobile phone if you want give your exam on any other device.

For more details about NMIMS exam scheme you should read this article .

I hope this information helps you.

Good Luck!!