Raina's quality research is evidenced by his publications in journals of international repute like Gene, AOB Plants, Applied Biochemistry and Biotechnology, Molecular Breeding, Molecular Phylogenetics and Evolution, Theoretical and Applied Genetics, Genome, Plant Breeding, Euphytica, Genetica, Heredity, Journal of Heredity, Cytogenetic and Genome Research, Methods in Cell Science, In Vitro Cell. Dev. Biol. - Plants, Plant Systematics and Evolution, Molecular Phylogenetics and Evolution, Caryologia, Genetic Resources and Crop Evolution, Plant Cell Reports, Annals of Botany among others. He has 135 publications, including 111 research papers, and 20 book chapters. The impact factor of his published papers ranges from 0.5 to 4.5 and the citation index touches nearly 2000. Raina has given invited seminars and keynote addresses in scientific forums in many countries, and has chaired symposia, seminars and scientific sessions in national and international conferences. He is aFellow of National Academy