Mizo soldiers serving in other parts of India during the Revolt of 1857 might have:

The correct answer is: d) All of the above.

Mizo soldiers serving in other parts of India during the Revolt of 1857 might have been directly involved in suppressing the rebellion, witnessed the events firsthand, or learned about it from other soldiers.

• Option a) Mizo soldiers were recruited into the British Indian Army and served in various parts of India. Some of them may have been directly involved in suppressing the rebellion.
• Option b) The rebellion was a major event that took place all over India. It is likely that some Mizo soldiers witnessed the events firsthand.
• Option c) The rebellion was a major topic of discussion in India at the time. It is likely that Mizo soldiers learned about it from other soldiers or from news reports.

It is also possible that some Mizo soldiers were not directly involved in the rebellion, but were affected by it in other ways. For example, they may have been stationed in areas where the rebellion was taking place, or they may have had family members who were involved in the rebellion.