What are India's neighbouring countries and which type of government do they have?

Pakistan- Federal Parliamentary Republic

China- Single-led Party (Communist)

Nepal- Federal Republic

Bhutan- Constitutional Monarchy/Unitary Parliamentary Democracy

Bangladesh- Unitary State/Parliamentary Democracy

Myanmar (Burma)- Unitary Presidential Republic

Non-Bordering neighbour countries separated by water:

Sri Lanka- Democratic Socialist Republic

Maldives- Presidential Republic

India itself has a Federal Parliamentary Constitutional Republic form of government.