The village is divided into three sub-areas (Wahdat, Girdi Kas elay and Dag Kelay).
The population of two sub-areas (Girdi Kas Kelay and Girdi Kas Dag Kelay) is from Mohmand tribe, and the people of Wahdat sub-areas are Pashtun tribes (320 families) from Mohmand.
There is no health facility in the village which the people are going for the treatment to the neighbors’ districts nearest clinics.
When the nearest CHC does not provide the satisfactory service, the villagers choose to travel to city hospitals in Jalalabad or to Peshawar, of Pakistan.
Agriculture and animal husbandry are the primary livelihood activities inside Girdi Kas Village, followed by small-numbered other jobs such as shop keeping and governmental employment.
Most of the young people of the community migrate to other cities to work in order to earn money for their families.
Prior to the prolonged conflict, Girdi Kas was famous for its agricultural production.
There is no major selling place (such as market and bazaar) for the village's crops nearer than Jalalabad.