During 2013 to 2015, he has served as a Program Director, ITRA-Agriculture & Food, Information Technology Research Academy (ITRA), Government of India. From 1997 to 2002, he was a research associate at the Center for Conceptual Information Processing Research, Institute of Industrial Science, University of Tokyo. His research areas include data mining, database systems and IT for agriculture. He has published about 200 refereed research papers which include 35 journal papers, 4 book chapters, and 14 edited books. He is a steering committee member of the pacific-asia knowledge discovery and data mining (PAKDD) conference series and Database Systems for Advanced Applications (DASFAA) conference series. He is a steering committee chair of Big Data Analytics (BDA) conference series since 2017. He was a proceedings chair of COMAD 2008, a workshop chair of KDRS 2010, media and publicity chair of KDD 2015, and general chair of BDA2017. As a general chair, he has organized the both 14th and 21th Pacific-Asia Conference on Knowledge Discovery and Data Mining (PAKDD2010 and PAKDD2021) conferences, the Third National Conference on Agro-Informatics and Precision Agriculture 2012 (AIPA 2012), both 5th and 10th International Conference on Big Data Analytics (BDA 2017 and BDA2022) and 27th International Conference on Database Systems for Advanced Applications (DASFAA-2022). He has executed 16 research projects by raising the research funding of about 80 million Indian rupees. Since 2004, he has been investigating the building efficient knowledge agricultural knowledge transfer systems by extending developments in IT. He has developed eSagu system, which is an IT-based farm-specific agro-advisory system, which has been field-tested in hundreds of villages on about 50 field and horticultural crops. He has also built eAgromet system, which is an IT-based agro-meteorological advisory system to provide risk mitigation information to farmers. He has conceptualized the notion of Virtual Crop Labs to improve applied skills for extension professionals. Currently, he has built a Crop Darpan system, which is a crop diagnostic tool for farmers, with the funding support from India-Japan Joint Research Laboratory Program. He has received two best paper awards. The eSagu system, which is an IT based farm-specific agro-advisory system, has got several recognitions including CSI-Nihilent e-Governance Project Award in 2006, Manthan Award in 2008 and finalist in the Stockholm Challenge Award in 2008 and received PAKDD Distinguished Service Award in 2021.