Millets are being promoted more and more as sustainable substitutes for traditional cereals because of their nutritional content and climate adaptability. This study looks at consumer behaviour patterns that affect Indian urban and semi-urban consumers' adoption of millet-based food products. The study examines the effects of awareness, perceived health benefits, price perception, availability, product diversity and socio-demographic characteristics on purchase and consumption frequency using primary data from 300 respondents. Although awareness and perceived health advantages have a considerable and favourable impact on consumption, actual intake is still mostly sporadic, according to descriptive statistics, chi-square tests, correlation, and regression analyses. Information sources and socio-demographic factors also influence consumer behaviour. In order to boost sustained acceptance of millet-based foods and promote healthier, sustainable diets, the results show a clear gap between awareness and regular consumption, indicating the need for product diversification, competitive pricing, better distribution, and focused awareness campaigns..