In the morning, take a stroll through the beautiful Lalbagh Botanical Garden, which houses over 1,000 species of plants. In the afternoon, visit the nearby Bangalore Fort and Tipu Sultan's Summer Palace, both of which are steeped in history. In the evening, head to the UB City Mall for some shopping and dinner.
Spend the day at Wonderla Amusement Park, which has over 60 rides for people of all ages. In the evening, go to the Orion Mall for some shopping and dinner.
Start the day with a visit to Bannerghatta Biological Park, which is home to a zoo, a safari park, and a butterfly park. In the afternoon, head to the nearby Meenakshi Temple, which is known for its beautiful architecture. In the evening, go to the M.G. Road area for some shopping and dinner.
In the morning, take a relaxing walk through Cubbon Park, which is known for its greenery and tranquil environment. Visit the nearby Vidhana Soudha, which is the seat of the state legislature of Karnataka. In the afternoon, head to the nearby Bangalore Palace, a beautiful palace that was built in the Tudor style. In the evening, head to the HSR Layout area for some shopping and dinner.
If you have more time in Bengaluru, you should definitely consider visiting the ISKCON Temple, the Nandi Temple, and the Jawaharlal Nehru Planetarium. Another great idea is to take a day trip to the nearby town of Mysore, which is known for its beautiful palaces and gardens.