With reference to Pallava architecture, consider the following statements:
1. Pandava Rathas at Mamallapuram are the earliest rock-cut temples in India.
2. Their caves are noted for their extremely fine and detailed carvings like Ajanta caves.
3. The Shore temple at Mamallapuram and the Kailasanatha temple at Kanchipuram was
built during the reign of Mahendravarman I.
Which of the statements given above is/are correct?