Purpose – The purpose of this paper is to understand the effect of antecedents like environmental consciousness and cosmopolitanism (COS) on organic food purchase intention (OFPI) with the possible mediation of opinion seeking (OS) and opinion leadership (OL). Design/methodology/approach – A model drawn largely from environmental value–attitude–system model (Dembkowski and Hanmer-Lloyd, 1994) has been proposed and tested. Primary data from four cities across India were collected using a survey. Findings – COS was the primary factor determining purchase intention. A full mediation of OS behaviour was observed between environmental consciousness and OFPI. No effect of OL on OFPI could be established. Research limitations/implications – Because COS is positively affecting the organic food patronage and cosmopolitans are more likely to be socially responsible consumers, the organic food (OF) manufacturers should target brick and mortar stores in more cosmopolitan cities like Bangalore, Delhi, etc. The mediating role of OS has wider implications for marketers and advertisers both. In line with both theoretical underpinning (theory of planned behaviour), empirical studies (Chakrabarti and Baisya, 2009) and ours, it seems that the customer seeks credible information before purchasing organic food. The word-of-mouth and social media are recommended channels for similar reasons. The websites are a must for OF manufacturers because retailers may not provide adequate promotion/information of the products to the consumers. Practical implications – This study enables marketers in the field of OF domain to target the customers better. It also guides them to have a good integrated marketing communication to cater to the opinion-seeking phenomenon of consumers. Originality/value – The paper investigates the OFPI model better suited to urban cities in India. COS construct usage is a novelty of the paper as well as the mediation of opinion-seeking behaviour. Findings have value both for researchers and practitioners in the OF domain.