Bhandari, P and Singh , Bikram and Kumar, Neeraj (2010) Online HPLC-DPPH method for antioxidant activity of Picrorhiza kurroa Royle ex Benth. and characterization of kutkoside by Ultra-Performance LC-electrospray ionization quadrupole time-of-flight mass spectrometry. Indian Journal of Experimental Biology, 48. pp. 323-328.

Kumar, Neeraj and Bhandari, P and Singh , Bikram and Bari, S S (2009) Antioxident potential and electropray ionization mass spectrometric fingerprinting of phenolic constitiuents in flowers of rose species : Rosa damascena, R, bourboniana and R. brunoni. Food and Chemical Toxicology, 47 (2). pp. 361-367.

Singh , Bikram and Kumar, R and Bhandari, P and Pathania, S and Lal, Brij (2007) Volatile constituents of natural Boswellia serrata oleo-gum-resin and commercial samples. Flavour and Fragrance Journal, 22. pp. 145-147.

Singh , Bikram and Kumar, Neeraj and Gupta , A P and Bhandari, P and Uniyal, S K and Kaul , V K (2005) Biflavonoids from Lonicera japonica. Phytochemistry, 66 (23). pp. 2740-2744.

Bhandari, P and Singh , Bikram and Gupta , A P and Kaul , V K (2005) Simultaneous densitometric determination of artemisinin, artemisinic acid and arteannuin-B in Artemisia annua using reversed-phase thin layer chromatography. Journal of Separation Science, 28. pp. 2288-2292.

Bhandari, P and Kumar, Neeraj and Singh , Bikram and Gupta , A P and Kaul , V K and Ahuja, Paramvir Singh (2009) Stability-Indicating LC-PDA Method for Determination of Picrosides in Hepatoprotective Indian Herbal Preparations of Picrorhiza kurroa. Chromatographia, 69 (3-4). pp. 221-227. ISSN 0009-5893

Bhandari, P and Kumar, Neeraj and Singh , Bikram and Gupta, A P and Kaul, V K (2006) Micro-LC Determination of Swertiamarin in Swertia species and Bacoside-A in Bacopa monnieri. Chromatographia, 64 (9-10). pp. 599-602. ISSN 0009-5893

Bhandari, P and Singh , Bikram and Gupta , A P and Kaul , V K (2006) HPTLC Determination of Swertiamarin and Amarogentin in Swertia Species from the Western Himalayas. JPC-Journal of Planar Chromatography-Modern TLC , 19 (109). pp. 212-215. ISSN 0933-4173

Kumar, Neeraj and Bhandari, P and Singh , Bikram and Gupta , A P and Kaul , V K (2008) Reversed phase-HPLC for rapid determination of polyphenols in flowers of rose species. Journal of Separation Science, 31 (2). pp. 262-267. ISSN 1615-9306

Bhandari , P and Kumar, Neeraj and Singh , Bikram and Kaul , V K (2007) Cucurbitacins from Bacopa monnieri *. Phytochemistry, 68 (9). pp. 1248-1254.

Kumar, Rakesh and Bhandari, P and Singh , Bikram and Ahuja, Paramvir Singh (2012) Evaluation of Picrorhiza kurrooa accessions for growth and quality in north western Himalayas. Journal of Medicinal Plants Research, 6 (13). pp. 2660-2665.

Sharma, Vivek and Bhandari, P and Singh , Bikram and Bhattacharya, Amita and Shanmugam, V (2012) Chitinase Expression Due to Reduction in Fusaric Acid Level in an Antagonistic Trichoderma harzianum S17TH. Indian Journal of Microbiology.

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.

Sharma, U and Bhandari, P and Kumar, Neeraj and Singh , Bikram (2010) Simultaneous Determination of Ten Sugars in Tinospora cordifolia by Ultrasonic Assisted Extraction and LC-ELSD. Chromatographia, 71 (7-8). pp. 633-638. ISSN 0009-5893

Bhandari , P and Kumar, Neeraj and Singh , Bikram and Kaul , V K (2008) Simultaneous determination of sugars and picrosides in Picrorhiza species using ultrasonic extraction and high-performance liquid chromatography with evaporative light scattering detection. Journal of Chromatography A, 1194. pp. 257-261.

Sharma, V and Gupta , A P and Bhandari, P and Gupta , R C and Singh , Bikram (2007) A Validated and Densitometric HPTLC Method for the Quantification of Withaferin-A and Withanolide-A in Different Plant Parts of Two Morphotypes of Withania somnifera. Chromatographia, 66. pp. 801-814.

Bhandari, P and Kumar, Neeraj and Singh , Bikram and Gupta , A P and Kaul, V K (2007) A rapid RP-HPTLC densitometry method for simultaneous determination of major flavonoids in important medicinal plants. Journal of Separation Science, 30 (13). pp. 2092-2096. ISSN 1615-9306