Data is available in Releases
Can be downloaded to a local mbtiles file by running the following commands
pip install pmtiles==3.2.0 mercantile==1.2.1 requests==2.30.0
python download_as_mbtiles.py
Data is also available as mvt tiles at -
https://indianopenmaps.fly.dev/google-buildings/{z}/{x}/{y}.pbf
The data can be viewed online at https://indianopenmaps.fly.dev/google-buildings/view
Steps to reproduce what was done to get data in the current format are documented in steps.sh
Sample working deployment is in the infra folder. But the current deployment is at indianopenmaps
Source: https://sites.research.google/open-buildings/
Changes Made: converted to pmtiles format, a tiny bit of data has been dropped( around 15% of 4 z14 tiles ) and some generalizations were applied at lower zoom levels.