Marginal emission factors for CO2, NOX, SO2, and PM2.5 estimated for Indian power generation in each Indian state. These are derived from a 2017-2018 reduced-form power dispatch model for India (doi: 10.1184/R1/14842224.v1) and a 2030-2031 full-form model (http://103.11.86.171/home) assuming Government of India targets.