Department of Stamps and Duty District Registrar Office(DRO) and Sub-Registrar Office(SRO) Offices and office jurisdictions for Bengaluru and Karnataka.
Circulars updating the change in guidance values for different parts of the city.
Each document refers to the changes in each registrar's jurisdiction.
Bengaluru Rainfall data from IMD for the 100 year period from 1901-2023.
You can read an analysis of the data here: https://bengaluru.citizenmatters.in/some-lessons-for-bengaluru-from-100-years-of-rain-data-8013