Effective communication plays the pivotal role in agriculture and rural development. It is considered as the basic need of human beings and web of society which makes the survival, growth, progress and development of man possible and holds the society intact and progressive. The better the communication, the better will be the development of a society. Electronisation and mechanization in communication systems have provided opportunity to access the information rapidly, accurately and repeatedly. In India tribal farmers live in less accessible and isolated villages where the dissemination of information is difficult. In this situation mass media can play the significant role to cater the information needs of tribal maize growers of hilly areas. Keeping in mind the importance of communication behaviour in the transfer of maize production technologies to the tribal farmers, a study on “Communication Behaviour of Tribal Maize Growers in Reasi district of Jammu and Kashmir, India” was conducted in Reasi District of Jammu and Kashmir which was selected purposively. Out of 12 C.D. Blocks only 4 C.D.Blocks namely Reasi, Thuroo, Arnas and Pouni were selected randomly. A sample of 20 per cent villages was selected randomly from selected Gram Panchayats. A sample of 20 per cent Gram Panchayats from each selected block was selected randomly. A sample of 20 per cent villages was selected randomly from selected Gram Panchayats. A sample of 20 per cent (150) farmers was selected randomly from selected villages. Finally,a total of 150 respondents were selected for recording their responses for study purpose. Communication behaviour of tribal maize growers has been operationalised as information input, information processing and information output behaviour of the respondents in the study. An index was developed for studying the communication behaviour of respondents, wherein information input was studied in terms of sources of information, processing of information was studied in terms of evaluation, storage and transfer of information and information output was studied in terms of dissemination of information. It was observed that the majority of tribal maize growers were using Extension Personnel of KVK, Extension Personnel of Departments of Agriculture, progressive farmers, television, relatives and friends and neighbourers as arranged rank wise 1, 2, 3,4, 5 and 6 respectively as the main sources of information on maize production technologies referred as the information input behaviour of the maize tribal growers. Majority of tribal farmers used to evaluate (processing) the information by discussing with the elder family members, progressive tribal farmers, neighbourers and local leaders/key communicators as arranged rankwise 1, 2, 3 and 4 respectively. Majority of tribal maize growers stored the information by memorization and writing in general notebooks as arranged rankwise 1 and 2 respectively. A large number of tribal maize growers transformed the information by rearranging the important information as per their needs and rearranging the information in local dialect. Majority of tribal maize growers disseminated the information (information output) to their family members, neighbourers, those who cultivate in their lands and friends as arranged rank wise 1, 2, 3 and 4 respectively. It was found that majority of tribal maize growers had medium communication behaviour towards different maize production information sources. The research helped to assess the communication behaviour of tribal maize growers.