The Department of Tourism in Mizoram plays a key role in:

Promoting tourist destinations
Developing tourism infrastructure
Organizing tourism events
All of the above

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

The Department of Tourism in Mizoram plays a key role in promoting tourist destinations, developing tourism infrastructure, and organizing tourism events.

The Department of Tourism in Mizoram is responsible for promoting the state as a tourist destination. This includes developing marketing and advertising campaigns, working with travel agencies and tour operators, and organizing events and festivals.

The Department of Tourism in Mizoram is also responsible for developing tourism infrastructure. This includes building roads, bridges, and other transportation infrastructure, as well as developing hotels, restaurants, and other tourist facilities.

The Department of Tourism in Mizoram is also responsible for organizing tourism events. This includes organizing festivals, concerts, and other cultural events, as well as organizing sporting events and other tourism-related events.

The Department of Tourism in Mizoram plays a vital role in the development of the tourism industry in Mizoram. By promoting the state as a tourist destination, developing tourism infrastructure, and organizing tourism events, the Department of Tourism in Mizoram is helping to create jobs, boost the economy, and promote the culture and heritage of Mizoram.