Indian Railways segments its passenger market according to geography, demographics, and special quotas. Geographically, it divides India into 17 zones based on climate and region. Demographically, it segments by age, gender, income, and occupation. It offers special quotas for government employees, disabled passengers, and frequent travelers. Indian Railways also segments its freight market according to geography and demographics. Geographically, it uses the same 17 zones as for passengers. Demographically, it distinguishes between public and private freight, and segments by distance, weight, and chemical properties of goods.