  We address the validity of the formalism and results presented in [ S. Das,
Phys. Rev. {\bf D89} 084068 (2014)] with regard to quantum Raychaudhuri
equation. The author obtained the so called quantum Raychaudhuri equation by
replacing classical geodesics with quantal trajectories arising from Bhommian
mechanics. The resulting modified equation was used to draw some conclusions
about the inevitability of focussing and the formation of conjugate points and
therefore singularity. We show that the whole procedure is full of problematic
points, on both physical relevancy and mathematical correctness. In particular,
we illustrate the problems associated with the technical derivation of the so
called quantum Raychaudhuri equation, as well as its invalid physical
implications.
