What steps should the BBMP take to map and tag documents

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I bought a 1200 sqft plot in bangalore BBMP limits in Herohalli main road from a X person The RTC tells that the X person is the owner of

Bangalore Boundaries X Items Overlay Layers & Data © Mapbox © OpenStreetMap Hybrid Road Satellite Terrain - RegionsAreas  map are part and parcel of the said ward 2 2-Chowdeswari Ward KSSIDC , Wheel & Axle Plant, North By Storm Water Drain Chowdeshwari Layout, Air Force

first division assistant I bought a 1200 sqft plot in bangalore BBMP limits in Herohalli main road from a X person The RTC tells that the X person is the owner of boundary marked on the map are part and parcel of the said ward Ward 1