“You should do what India does”: FinTech ecosystems in India reshaping the geography of finance

•First longitudinal study of a FinTech ecosystem on a global, national and city level.•Network visualization of foreign and domestic investments in FinTech.•Documenting Bangalore’s emergence as India’s FinTech capital and the rise of New Delhi.•Demonstrating how Mumbai and Bangalore structure India’s financial geography as complementary ecosystems.•Conceptualizing FinTech in India as a “Tech-Fin-State” ecosystem.