India, Feb. 23 -- Second-home destinations like Goa and Alibaug are experiencing a surge in demand for high-end villa properties, leading to some outlandish requests from buyers, say architects. One bizarre demand came from a buyer who wanted a 10,000 sq ft property designed in the shape of three mountain peaks. Another out-of-the-blue request involved building a treehouse perched at the top of a hill.

However, the lack of proper roads made transporting raw materials nearly impossible, prompting the consideration of using a helicopter to airdrop supplies. In Goa, a client insisted on constructing a large bar right in the heart of the jungle

India's second-home market is undergoing a remarkable transformation, with ultra-wealthy homeowne...