Complex sentence: The terrorists had holed up in many heritage locations of Mumbai, such as Taj Mahal Palace (Hotel) & The Oberoi and Trident Nariman Point Hotels, where terrorists had killed 146 people, wounded at least 327, and taken at least 15 people hostage.
Split into simpler sentences: The terrorists had holed up in many heritage locations of Mumbai, such as the The Taj Mahal Palace Hotel and the Oberoi and Trident, Nariman Point hotels. Here the terrorists had killed 146 people, wounded at least 327, and taken at least 15 people hostage.