  Various observations from cosmic microwave background radiation (CMBR), type
Ia supernova and baryon acoustic oscillations (BAO) are strongly suggestive of
an accelerated expansion of the universe which can be explained by the presence
of mysterious energy known as dark energy. The quintessential matter coupled
with gravity minimally is considered one of the possible candidates to
represents the presence of such dark energy in our universe. In view of this
scenario, we study the geodesic of massless particles as well as massive
particles around a (2+1) dimensional BTZ black hole (BH) spacetime surrounded
by the quintessence. The effect of parameters involved in the deflection of
light by such a BH spacetime is investigated in detail. The results obtained
are then compared with a usual non-rotating BTZ BH spacetime.

General Relativity and Quantum Cosmology