Start your first day in Ahmedabad with a visit to the Sabarmati Ashram, which was the residence of Mahatma Gandhi. The ashram museum has a collection of Gandhi's personal items, letters, and photographs. You can also take a tour of the ashram and see the rooms where Gandhi and his wife lived. The ashram also has a bookstore where you can buy books on Gandhi and the Indian Independence Movement.
On your second day, head to Kankaria Lake, which is a popular spot for locals and tourists alike. You can take a leisurely walk around the lake or hire a paddleboat to explore the lake. There are also several attractions around the lake, such as a zoo, a water park, and a balloon ride. You can also enjoy street food at the many food stalls around the lake.
On your final day, visit the Adalaj Stepwell, which is a five-story stepwell that was built in the 15th century. The stepwell has intricate carvings and is an architectural marvel. You can descend the stairs to the bottom of the stepwell and admire the detailed carvings on the walls. The stepwell also has a small museum that displays the history and significance of the stepwell.