house in the lutyens bungalow zone on prithvi raj road before 1988 the lbz rules came into effect soon after that and group housing projects were not allowed in the area apartments here today sell for around rs 35 crore each the lbz area home to top businessmen and politicians of the country such as naveen jindal ln mittal sunil mittal sanjay singhal and kp singh has seen a number of 100crore plus property deals in the last few years property prices in areas outside this zone have been on a boil in recent years because of higher development potential and larger built up areas