The Kailasa temple is one of the largest rock-cut ancient Hindu temple located at Ellora was built by?

The correct answer is: A. Krishndev Rai

Krishnadeva Rai was a Chalukya king who ruled from 1156 to 1183 CE. He was a great patron of the arts and architecture, and he commissioned the construction of many temples, including the Kailasa temple at Ellora. The Kailasa temple is one of the largest and most impressive rock-cut temples in the world. It is carved out of a single piece of rock, and it is decorated with intricate sculptures and reliefs. The temple is dedicated to the Hindu god Shiva, and it is one of the most important pilgrimage sites in India.

The other options are incorrect because:

• Krishna I was a Rashtrakuta king who ruled from 756 to 774 CE. He was a great warrior and conqueror, but he did not build the Kailasa temple.
• Nadivarman was a Pallava king who ruled from 830 to 866 CE. He was a great patron of the arts and architecture, but he did not build the Kailasa temple.
• Rajendra Chola was a Chola king who ruled from 1014 to 1044 CE. He was a great conqueror and empire builder, but he did not build the Kailasa temple.