\begin{table}%t1
\caption{\label{tab1}Details of the GMRT observations.}
%\centering
\small
\par
\begin{tabular}{cccccccc}
\hline\hline \noalign{\smallskip}
 Frequency  & Sideband    & Bandwidth/sideband & Polarization & Observation time  & Date       & Beam     & rms             \\
    (MHz)   & (LSB,~USB)  & (MHz)     &              &  (h)     &            & (arcsec)    & (mJy/beam)        \\
\hline
\noalign{\smallskip}
153         &   BOTH, BOTH &  8        & LL/RR, LL/RR    & 5.2+4.7       & 2008 Aug. 21, 22 &  $31.1 \times 22.6$  & 5     \\
240         &   BOTH, USB  &  8        & LL/RR, LL       & 4.6+4.3       & 2008 Aug. 23, 28 &  $18.7 \times 15.9$  & 1.1     \\
614         &   BOTH       & 16        &   RR            & 4.3           & 2008 Aug. 28     &  $7.0 \times 7.0 $   & 0.25  \\
\hline
\end{tabular}
\end{table}