Which of the following Indian state shares a boundary with Myanmar?

The correct answer is Option (4) - All of the above

All of the states you listed (Manipur, Mizoram, and Nagaland) share a boundary with Myanmar.

Myanmar: This country borders several northeastern states of India.

Manipur, Mizoram, and Nagaland: These states share a significant eastern or southeastern border with Myanmar. The border region plays an important role in the cultural exchange, trade, and security considerations for both countries.