Professor
• Irrigation Modelling
• Protected Cultivation Techniques
• Precision Agriculture Techniques
• Dean, Agriculture Dept, Bannari Amman Institute of Technology, from Jul 2015 to July 2018
• Professor, Tamilnadu Agricultural University, May 2009 to Jul 2009 & Aug 1998 to Feb 2006
• Associate Professor, Tamilnadu Agricultural University, from Feb 1989 to Jul 1998
• Assistant Professor, Tamilnadu Agricultural University, from Dec 1978 to Jan 1989
• Life member, Soil Conservation Society of India (SCSI)