  Spectra of comet C/2014 Q2 (Lovejoy) were taken with a low resolution
spectrograph mounted on the 0.5 m telescope at the Mount Abu Infrared
Observatory (MIRO), India during January to May 2015 covering the perihelion
and post-perihelion periods. The spectra showed strong molecular emission bands
(C2, C3 and CN) in January, close to perihelion. We have obtained the scale
lengths for these molecules by fitting the Haser model to the observed column
densities. The variation of gas production rates and production rate ratios
with heliocentric distance were studied. The extent of the dust continuum using
the Af-rho parameter and its variation with the heliocentric distance were also
investigated. The comet is seen to become more active in the post-perihelion
phase, thereby showing an asymmetric behaviour about the perihelion.
