One ground is commonly taken as 2400 square feet and approximately one half ground is used as a small and standard lot to construct a small individual house in small towns in India. In olden times houses used to adjoin and have common walls.
One standard is often cited as 2400 square feet, and roughly half of that area is utilized to build a modest single-family home in small towns in India. In the past, houses were typically adjacent and shared common walls.