Dum Dum is a large, bloc-structured urban–suburban Vidhan Sabha constituency in North Kolkata, shaped by old refugee colonies, dense lower- and middle-middle-class neighbourhoods, SC-dominated residential belts, and transport-linked mobility zones. Unlike compact core-city seats, Dum Dum exhibits internal heterogeneity with strong bloc stability, where electoral outcomes are driven by bloc-wise consolidation and turnout alignment rather than ideological swing. Psephologically, it functions as a mass-electorate, organisation-anchored constituency. Across the 2019 Lok Sabha, 2021 Vidhan Sabha, and 2024 Lok Sabha elections, voting behaviour has remained structurally stable, with margins responding primarily to turnout differentials across large voter blocs.