3,000 bore wells in the city of Bengaluru have dried up.
By the way, 223 out of 236 talukas (counties) are affected by the drought.
Source: https://economictimes.indiatimes.com/news/bengaluru-news/bengaluru-water-crisis-schools-may-face-closure-as-water-crisis-worsens/articleshow/108304427.cms?from=mdr