Here's a day-to-day itinerary for Meghalaya:

Day 1:

Arrive in Shillong, explore the city, and check in to Hotel Nirvana Orchid, a 3-star accommodation.
Day 2:

Enjoy breakfast at the hotel, continue sightseeing in Shillong, and then head to Mawlynnong, known as the cleanest village in Asia, for a one-night stay at Shnongpdeng Riverview Campsite.
Day 3:

 After breakfast, check out from Mawlynnong, explore its sights, and travel to Cherrapunjee for a two-night stay at Abode Of Clouds Resort, a 3-star hotel.
Day 4:

Spend the day sightseeing around Cherrapunjee, known for its waterfalls and living root bridges, with breakfast included at the resort.
Day 5:

 After breakfast, check out from Cherrapunjee and return to Shillong for another night at Hotel Nirvana Orchid, with sightseeing included.
Day 6:

After breakfast, check out and transfer from Shillong to Guwahati for a flight back home.