This is a web based expert system on cassava, which is designed for providing solutions to various problems faced by farmers, industrialists and traders of cassava and cassava based products. This system is available at the address http://www.ctcritools.in/cassavaexpert. Different knowledge domains of cassava are integrated in this system to help the clienteles who need assistance on any aspect of cassava. It is named after the great visionary His Highness Sree Visakham Thirunal, the Maharaja of erstwhile princely state of Travancore, who popularised this crop to save his subjects from the brunt of famine.