India, Oct. 4 -- Between January and May this year Uday Kotak, founder of Kotak Mahindra Bank, completed his purchase of multiple apartments in Shiv Sagar, on Worli Seaface, at Rs.2.71 lakh and Rs.2.74 lakh per square foot, making them one the most expensive real estate deals in the country by square footage. Kotak's purchases at Shiv Sagar amounted to Rs.416.44 crore.

Seven years ago, Kotak paid Rs.1.52 lakh per sq ft to acquire Champagne House, adjacent to Shiv Sagar, from Ranjit Chougule of Indage Vintners, for Rs.385 crore. That deal too made headlines as one of the costliest realty prices of its time.

With Shiv Sagar and Champagne House, Kotak now owns 0.80 acres worth an estimated Rs.801.44 crore on Worli Seaface, also known as Kh...