Dr. Karuna has in length experience of 34 years in working on seed borne diseases of significance, in plant crops and vegetables and has developed several methods for detection and diagnosis of seed borne pathogens of significance, their location and transmission through seed. She has also been principal investigator of AICRP-National Seed Project (NSP) “Seed Pathology” nominated by ICAR since 2007. She has authored 4 books on the subject concerned and has been an honored guest speaker in several International and national symposia. She has travelled United Kingdom, as visiting scientist and Philippines and Nepal as resource person and was also honored with “Best citizen of India” award by International Publishing House for her outstanding contribution in teaching. Presently, she is serving as emeritus scientist, ICAR, Plant Protection at GBPUA&T., Pantnagar.