Explanation: The Elephanta Caves, located on Elephanta Island in Mumbai Harbour, are a significant site of ancient Indian rock-cut architecture and sculpture. The caves are primarily dedicated to the Hindu god Shiva and are renowned for their intricate carvings and the grandeur of their architecture. The site consists of a series of five caves, with the main cave being the Great Cave, which houses the famous Trimurti statue of Shiva.
The construction of the Elephanta Caves is attributed to the Rashtrakuta dynasty, which ruled parts of western India from the 8th to the 10th century CE. The Rashtrakutas were known for their patronage of art and architecture, and they made significant contributions to the development of temple architecture in India. The Elephanta Caves are a testament to their architectural and artistic achievements.
The other options listed in the question are also important sites of ancient Indian rock-cut architecture, but they are not associated with the Rashtrakuta kings or located near Mumbai. The Ellora Caves, located in the Aurangabad district, are a series of 34 rock-cut temples and monasteries, primarily built by the Rashtrakuta dynasty, but they are not near Mumbai. The Ajanta Caves, also in Aurangabad, are famous for their Buddhist cave paintings and sculptures and are not associated with the Rashtrakuta kings. The Karla Caves, located in the Pune district, are a group of ancient rock-cut Buddhist caves and are not near Mumbai.
In summary, the Elephanta Caves are the correct answer because they are the site near Mumbai where the Rashtrakuta kings built temples. The other options, while significant in their own right, do not meet the criteria specified in the question. Understanding the historical context and the geographical locations of these sites is crucial for correctly identifying the contributions of different dynasties to the architectural heritage of Maharashtra.