Dec 14–15, 2016 — Cyclone Vardah (TN & South India):
Multi-branch relief operation explicitly listing Bengaluru among participating branches.
Aug 2019 — North Karnataka Floods (Belagavi district):
Relief distribution in Belagavi/Hukkeri; a Bengaluru-unit album shows on-ground work
Jul 29, 2021 — Karnataka Floods (Belagavi district):
Joint operation by Hyderabad, Bangalore, and Trivandrum branches; ~1,000 people supported with clothes, blankets, rice, milk, biscuits; named BSS coordinators