S. K.  Singh and Dhepe, P. Laxmikant, ?Ionic liquids catalyzed lignin liquefaction: mechanistic studies using TPO-MS, FT-IR, RAMAN and 1D, 2D-HSQC/NOSEY NMR?, Green Chemistry, vol. 18, no. 14, pp. 4098-4108, 2016.

S. K.  Singh and Dhepe, P. Laxmikant, ?Isolation of lignin by organosolv process from different varieties of rice husk: Understanding their physical and chemical properties?, Bioresource Technology, vol. 221, pp. 310?317, 2016.

S. K.  Singh and Dhepe, P. L., ?Effect of structural properties of organosolv lignins isolated from different rice husks on their liquefaction using acidic ionic liquids?, Clean Technologies and Environmental Policy, vol. 20, no. 4, pp. 739-750, 2018.

S. K.  Singh and Dhepe, P. L., ? Experimental evidences for existence of varying moieties and functional groups in assorted crop waste derived organosolv lignins?, Industrial Crops and Products, vol. 119, pp. 144-151, 2018.

S. K.  Singh and Dhepe, P. L., ?Novel synthesis of immobilized bronsted- acidic ionic liquid: application in lignin depolymerization?, Chemistryselect, vol. 3, no. 19, pp. 5461-5470, 2018.

S. K.  Singh and Dhepe, P. L., ?Formic-acid-induced using recyclable-ionic liquids as catalysts for lignin conversion into aromatic co-products?, Waste and Biomass Valorization, 2019.

S. K.  Singh and Dhepe, P. L., ?Lignin conversion using catalytic ionic liquids: understanding the role of cations, anions, and hammett acidity functions?, Industrial & Engineering Chemistry Research, vol. 58, no. 47, pp. 21273-21284, 2019.

S. K.  Singh and Dhepe, P. L., ?Alpha-, beta- and gamma-cellulose quantification and two-stage concentrated-dilute acid lignin recovery from three rice husks: lignin characterization and depolymerization?, Waste and Biomass Valorization, vol. 13, no. 6, pp. 2963-2977, 2022.