G.  Rai and Kumar, A., ?Reversal from endothermic to exothermic behavior of imidazolium-based ionic liquids in molecular solvents?, Chemical Physics Letters, vol. 496, no. 1-3, pp. 143-147, 2010.

G.  Rai and Kumar, A., ?Enthalpic approach to delineate the interactions of cations of imidazolium-based ionic liquids with molecular solvents?, Physical Chemistry Chemical Physics, vol. 13, no. 32, pp. 14715-14722, 2011.

G.  Rai and Kumar, A., ?Probing thermal interactions of ionic liquids with dimethyl sulfoxide?, Chemphyschem, vol. 13, no. 7, pp. 1927-1933, 2012.

G.  Rai and Kumar, A., ?Interesting thermal variations owing to cationic ring structural features in protic ionic liquids?, Physical Chemistry Chemical Physics, vol. 15, no. 21, pp. 8050-8053, 2013.

G.  Rai and Kumar, A., ?Calorimetric elucidation of ionic interactions in room temperature ionic liquid solutions?, Clean Technologies and Environmental Policy , vol. 16, no. 8, pp. 1529-1536, 2014.

G.  Rai and Kumar, A., ?Elucidation of ionic interactions in the protic ionic liquid solutions by isothermal titration calorimetry?, Journal of Physical Chemistry B, vol. 118, no. 15, pp. 4160-4168, 2014.

R.  Nanda, Rai, G., and Kumar, A., ?Interesting viscosity changes in the aqueous urea-ionic liquid system: effect of alkyl chain length attached to the cationic ring of an ionic liquid?, Journal of Solution Chemistry, vol. 44, no. 3-4, pp. 742-753, 2015.

G.  Rai, Jain, P., and Kumar, A., ?Isothermal titration calorimetric study of the ionic liquid solutions in alcohols in extreme dilutions: an investigation of ion-solvent interactions?, Journal of Solution Chemistry, vol. 45, no. 9, pp. 1313?1331, 2016.