Yes, it is possible to plan a trip to Northeast India for 12 days. The region is known for its natural beauty, diverse culture, and unique attractions. While it may not be possible to cover the entire Northeast in just 12 days due to its vastness, you can focus on specific states or destinations to make the most of your trip. Here’s a suggested itinerary for a 12-day Northeast India tour:

Day 1-2: Guwahati and Kaziranga National Park

• Arrive in Guwahati, the gateway to Northeast India.
• Explore the Kamakhya Temple and Umananda Temple in Guwahati.
• Drive to Kaziranga National Park (about 4 hours) and enjoy an afternoon safari to spot the famous one-horned rhinoceros and other wildlife.

Day 3-4: Shillong and Cherrapunji

• Travel to Shillong, the capital of Meghalaya (about 5 hours).
• Visit the picturesque Umiam Lake and Don Bosco Museum.
• Explore the Living Root Bridges of Cherrapunji, known for their natural beauty and unique construction.

Day 5-7: Majuli Island and Jorhat

• Travel to Majuli Island, the largest river island in the world (about 5-6 hours).
• Explore the serene island, visit the ancient monasteries, and experience the local Mishing tribe culture.
• Head to Jorhat (about 2 hours) and visit tea gardens and historical sites like the Thengal Manor and Bangalpukhari.

Day 8-9: Kohima and Hornbill Festival

• Drive to Kohima, the capital of Nagaland (about 6-7 hours).
• Explore the World War II Cemetery and the Kohima Village.
• If your visit aligns with the dates (usually in December), attend the Hornbill Festival, a vibrant cultural extravaganza showcasing the traditions and dances of the various Naga tribes.

Day 10-11: Aizawl and Mizoram

• Fly to Aizawl, the capital of Mizoram, from Dimapur (flight duration approximately 1 hour).
• Explore the beautiful city, visit the Mizoram State Museum, and enjoy panoramic views from the Durtlang Hills.
• Take a day trip to the picturesque Tamdil Lake or the nearby Reiek Tlang for hiking and scenic views.

Day 12: Guwahati

• Fly back to Guwahati and spend the day exploring the city.
• Visit the Assam State Museum, cruise on the Brahmaputra River, and shop for local handicrafts.

Note: This itinerary is just a suggestion, and you can customize it based on your interests, time, and preferences. The Northeast region has much more to offer, including destinations like Arunachal Pradesh, Manipur, and Tripura, which could be included if you have additional time.

Make sure to check the weather conditions, travel permits, and any specific requirements before visiting certain areas. It’s advisable to plan in advance, book accommodations, and arrange transportation accordingly.