The government collects actual registered sale deeds from the previous 3 years. They discard outliers (e.g., distress sales or family transfers). The median value of these deeds within a micro-zone forms the baseline.
The baseline is not taken as is. The government reduces it slightly to ensure it remains below the average market rate to avoid causing a market freeze. The formula is: [ \text{Jantri} = \text{Average Registered Sale Value} \times (1 - \text{Policy Discount}) ] The policy discount is usually 10–15% for residential and 20–25% for commercial to prevent economic shock. jantri rates calculation gujarat
The IGR divides each district into Taluka , then Sub-Taluka , then City Survey Numbers , and finally Road Sectors . For example, Navrangpura in Ahmedabad is split into 15 different micro-zones based on lane type. The government collects actual registered sale deeds from