  The gamma-ray emitting narrow-line Seyfert 1 galaxies are a unique class of
objects that launch powerful jets from relatively lower-mass black hole systems
compared to the Blazars. However, the black hole masses estimated from the
total flux spectrum suffer from the projection effect, making the mass
measurement highly uncertain. The polarized spectrum provides a unique view of
the central engine through scattered light. We performed spectro-polarimetric
observations of the gamma-ray emitting narrow-line Seyfert 1 galaxy 1H0323+342
using SPOL/MMT. The degree of polarization and polarization angle is 0.122
$\pm$ 0.040 % and 142 $\pm$ 9 degrees, while the H$\alpha$ line is polarized at
0.265 $\pm$ 0.280 %. We decomposed the total flux spectrum and estimated broad
H$\alpha$ FWHM of 1015 km/s. The polarized flux spectrum shows a broadening
similar to the total flux spectrum, with a broadening ratio of 1.22. The Monte
Carlo radiative transfer code `STOKES' applied to the data provides the best
fit for a small viewing angle of 9-24 degrees and a small optical depth ratio
between the polar and the equatorial scatters. A thick BLR with significant
scale height can explain a similar broadening of the polarized spectrum
compared to the total flux spectrum with a small viewing angle.
