Kharkwal, A and Singh , D and S, Rajkumar and Ahuja, Paramvir Singh (2009) Genetic variation within and among the populations of Podophyllum hexandrumRoyle (Podophyllaceae) in western Himalaya. Plant Genetic Resources Newsletter, 156. pp. 67-71.

Singh, D and Ahuja, Paramvir Singh (2006) 5S rDNA gene diversity in tea (Camellia sinensis (L.) O. Kuntze) and its use for variety identification. Genome, 49. pp. 91-96.

Singh , D and Pathania , M and Raja, Ram and Zaidi, A A and Verma , N (2010) Screening of chrysanthemum cultivars for Chrysanthemum stunt viroid in an Indian scenario. Archioves of Phytopathology and Plant Protection , 43 . pp. 1517-1523.

Singh , D and Singh , Bikram and Goel, R K (2011) Traditional uses, phytochemistry and pharmacology of Ficus religiosa: A review. Journal of Ethnopharmacology, 134. pp. 565-583.

Singh , D and Singh , Bikram and Goel, R K (2011) Hydroethanolic leaf extract of Ficus religiosa lacks anticonvulsant activity in acute electro and chemo convulsion mice models. Journal of Pharmaceutical Negative Results., 2 (2). pp. 58-61.