Mahindra Group chairman Anand Mahindra has lauded the 11th-century Brihadeeswara Temple in Thanjavur, Tamil Nadu, as the "world's most sophisticated ancient engineering." He highlighted its construction using interlocking granite blocks without mortar, a technique that has preserved the UNESCO World Heritage Site for nearly a millennium. Mahindra shared a video of the temple, emphasizing that ancient Indian temples offer profound intellectual and spiritual experiences, blending faith with extraordinary architectural skill.