Why are 505, 507 and 511 different?
The notice prints no grand total. Its schedules enumerate 511 advertised entries: 62 residential buildings and 440 residential plots with property numbers, plus six commercial plots and three school plots identified by site descriptions. The Atal Vihar building heading says 21 although its lines enumerate 27, so trusting that heading gives 505. The earlier 507 combined the 21-building heading with an incorrect 442-plot count and was wrong.