“Fluctuations of ‘mind stuff’ in respect to self (individual) and the external world: Review of a book - ’Concept of Mind and Cognition in Yoga Sutra of Patanjali (YSP)’” (2021) Janaki Medical College Journal of Medical Science, 9(1), pp. 76–77. doi:10.3126/jmcjms.v9i1.38341.