N. D.  Khupse and Kumar, A., ?Dramatic change in viscosities of pure ionic liquids upon addition of molecular solvents?, Journal of Solution Chemistry, vol. 38, no. 5, pp. 589-600, 2009.

N. D.  Khupse and Kumar, A., ?Delineating solute-solvent interactions in binary mixtures of ionic liquids in molecular solvents and preferential solvation approach?, Journal of Physical Chemistry B, vol. 115, no. 4, pp. 711-718, 2011.

S. Kant Shukla, Khupse, N. D., and Kumar, A., ?Do anions influence the polarity of protic ionic liquids??, Physical Chemistry Chemical Physics, vol. 14, no. 8, pp. 2754-2761, 2012.