This document provides information about Quadrant 2 in Koparkhairane, Navi Mumbai. Sector 19 contains Koparkhairane Gaothan (old village area) while Sector 20 has apartment buildings. Quadrant 2 has a more organic layout compared to the grid patterns in other quadrants. It includes the prominent Koparkhairane holding pond and amenities like hospitals, schools, and gardens. Sector 19 specifically still retains aspects of the original village layout in its narrow lanes and dilapidated houses, contrasting with the planned development in other areas of Navi Mumbai. The holding pond acts as a flood prevention measure during heavy rains and high tides.