Int.J.Curr.Microbiol.App.Sci (2019) 8(11): 2434-2439 2434 Original Research Article https://doi.org/10.20546/ijcmas.2019.811.281 Extent of Utilization of Android App on Coconut Expert System and its Effectiveness as Perceived by the Coconut Farmers in Kanyakumari District of Tamil Nadu, India A. Aravind * , R. Raja Sekaran, C. Karthikeyan and R. Gangai Selvi Department of Social Sciences, Agricultural College and Research Institute, Killikulam, Thoothukudi, Tamil Nadu, India *Corresponding author ABSTRACT Introduction India predominantly an agrarian economy since 70 per cent of the rural households still depend on agriculture as a livelihood and the country has been successful in attaining self- sufficiency in food production due to the successful dissemination of improved technologies in agriculture facilitated by public and private institutions and adopted by millions of farmers. Mobile device (Smart phone) has become the need of every common man and is reached in the hands of rich and poor. There are enormous applications International Journal of Current Microbiology and Applied Sciences ISSN: 2319-7706 Volume 8 Number 11 (2019) Journal homepage: http://www.ijcmas.com India predominantly an agrarian economy since 70 per cent of the rural households still depend on agriculture as livelihood and the country has been successful in attaining self-sufficiency in food production due to the successful dissemination of improved technologies in agriculture facilitated by public and private institutions and adopted by millions of farmers. The study was undertaken to find out the extent of utilization of android app on coconut expert system and its effectiveness as perceived by the coconut farmers. The study was conducted in the Kanyakumari district of Tamil Nadu since this district has largest area under coconut cultivation when compared to other districts. The degree of effectiveness of coconut expert system can be assessed through respondent perception. The results of the study will helps the designer of the expert system to modify the content and procedures to suit the expectation of end users. The extension workers have to conduct demonstrations, awareness creation and training to the users in handling and using various android app will help in improving their skills and effective utilization. Keywords Perception, Android app, Extent of utilization and their effectiveness Accepted: 26 October 2019 Available Online: 10 November 2019 Article Info