Singh, S and Singh, Virendra and G D, Kiran Babu and Ahuja, Paramvir Singh (2005) Economics of scented geranium (Pelargonium sp.) oil production in western and central Himalayas†. Indian Perfumer, 49 (2). pp. 211-217.

Mahmood , U and Singh, Virendra and Kaul , V K and Lal, Brij and Negi, H R and Ahuja, Paramvir Singh (2005) Volatile constituents of the cold desert plant Dracocephalum heterophyllum Benth. Flavour and Fragrance Journal, 20 (2). pp. 173-175.

Kumar , R and Singh , Virendra and Devi, K and Sharma, Madhu and Singh, M K and Ahuja, Paramvir Singh (2009) State of Art of Saffron (Crocus sativus L.) Agronomy: A Comprehensive Review. Food Review International, 25 (1). pp. 44-85.

Singh , N and Kaul , V K and Megeji, N W and Singh, Virendra and Ahuja, Paramvir Singh (2008) Essential oil composition of three accessions of Dracocephalum heterophyllum Benth. cultivated at Palampur, India. Natural Product Research, 22 (11). pp. 927-936.

Singh , Virendra and Singh , Bikram and Kaul , V K (2003) Domestication of Wild Marigold (Tagetes minuta L.) as a Potential Economic Crop in Western Himalaya and North Indian Plains. Economic Botany, 57 (4). pp. 535-44.

Kumar , Ramesh and Singh , Virendra (2006) Cultivation of Stevia [Stevia rebaudiana (Bert.) Bertoni]: A Comprehensive Review. Advances in Agronomy, 89. pp. 137-177.

Singh , Virendra and Sood, R and Kumar, R and Singh , Bikram (2008) Effect of growth regulators application on growth, flower, oil yield and quality and auality of clary sage(Salvia sclarea L.). Journal of Herbs, Spices and Medicinal Plants , 14 (1-2). pp. 29-36.

Sood, R and Singh, Virendra and K , Ramesh and Singh , Bikram (2007) Effect of plant spacing and organic manures on growth, yield and quality of clary sage. Indian Perfumer, 52. pp. 54-56.

Singh, S and Singh, Virendra and G D, Kiran Babu and Kaul , V K and Ahuja, Paramvir Singh (2007) Economics of Lavender (Lavandula officinalis L.) in Himachal Pradesh.†. Journal of Non-Timber Forest Products, 14 (2). pp. 97-100.

Singh, S and Singh, Virendra and G D, Kiran Babu (2006) Techno-economic feasibility of wild marigold (Tagetes minuta) oil production in Himachal Pradesh†. Journal of Non-Timber Forest Products , 13 (4). pp. 267-271.

Singh , Bikram and Singh, Virendra (2002) Crop productivity and variation chemical composition of Tagetes minuta Linn. Essential oil and distillation during crop maturity in mid-hills of western Himalayan region. Jouornal of Essential Oil Bearing Plants, 5. pp. 30-37.

Singh , S and Singh, Virendra (2011) ECONOMICS OF DAMASK ROSE PLANTATION IN PUN.JAB STATE OF INDIA. Journal of Non-Timber Forest Products , 18 (4). pp. 281-284.

Singh, S and Singh , Virendra (2011) ECONOMICS OF DAMASK ROSE PLANTATION IN PUNJAB STATE OF INDIA. Journal of Non-Timber Forest Products, 18 (4). pp. 281-284.

Singh, Kehar and Singh , Virendra (2001) Economics of cultivation and distillation Damask rose: A case study in Palampur (Himachal Pradesh). Indian Journal of Agriculture Economics, 56 (4).

Singh , Virendra and Megeji, N W and Kaul , V K and Sharma, Abilekha and Mehashwari, M L (2004) Peppermint (Menths piperita)- A local strain from kangra valley of Himachal Pradesh. Indian Perfumer, 48 (3). pp. 277-281.

csir, ihbt (2008) A PROCESS FOR EXTRACTION OF ESSENTIAL OIL FROM DRACOCEPHALUM HETEROPHYLLUM BENTH. 01447/DELNP/2003 (223451).

csir, ihbt (2010) A PORTABLE MINI DISTILLATION APPARATUS FOR THE PRODUCTION OF ESSENTIAL OILS AND HYDROSOLS. 1004/DEL/2000.

Nadda , Gireesh and Tewary, D K and Shankar, Adarsh and Singh, Virendra (2012) SALVIA SCLAREA L. (LAMIALES: LAMIACEAE) - A NEW HOST RECORD FOR HELICOVERPA ARMIGERA (HÜBNER) (LEPIDOPTERA: NOCTUIDAE). Journal of.Mun. Ent., 7 (1). pp. 642-645.

G D, Kiran Babu and Singh , Bikram and Joshi , V P and Singh, Virendra (2002) Essential oil composition of Damask rose (Rosa damascena Mill.) distilled under different pressures and temperatures. Flavour and frangrance Journal, 17 (2). pp. 136-140. ISSN 0882-5734

Megeji, N W and Kumar , J K and Singh, Virendra and Kaul , V K and Ahuja, Paramvir Singh (2005) Introducing Stevia rebaudiana, a natural zero-calorie sweetener. Current Science, 88 (5). pp. 801-804. ISSN 0011-3891

Bhandari, P and Singh , Bikram and Kumar, Neeraj and Singh, Virendra and Kaur, I (2009) Silica-based monolithic column with evaporative light scattering detector for HPLC analysis of bacosides and apigenin in Bacopa monnieri. Journal of Separation Science, 32. pp. 2812-18.

csir, ihbt (2005) A simple, convenient portable Mini distillation apparatus for the production of essential oils and hydroids. 09/815, 967 (6,911,119).