\begin{table}%t1 \caption{\label{tab:obs}Details of the GMRT observations.} %\centerline {\small \begin{tabular}{cccccccc} \hline\hline Source name & Pointing RA and Dec & $d$ & $\nu$ & $\Delta \nu$ & Obs. time & HPBW, PA & rms \\ [1mm] (GMRT -) & (h, m, s ~~and~~ $^{\circ}$, $^{\prime}$, $^{\prime \prime}$) & ($^{\prime}$) & (MHz) & (MHz) & (min) & ($^{\prime \prime} \times^{\prime \prime}$, $^{\circ}$) & (mJy b$^{-1}$) \\ \hline J0902+2044, J0902+2045 & 09 00 45.9 \hspace{0.35cm} +20 55 13 & 27 & 610 & 32 & 80 & $6.5\times 4.5$, 80 & 60 \\ J1455+2209 & 14 57 15.2 \hspace{0.35cm} +22 20 30 & 22 & 610 & 32 & 100 & $6.1\times 4.1$, 39 & 60 \\ J0154+3627 & 01 52 50.0 \hspace{0.35cm} +36 09 00 & 32 & 327 & 16$^*$ & 270 & $12.2\times 8.7$, 87 & 440 \\ \hline \end{tabular}} \par \medskip $*$ The observations were carried out using a total bandwidth of 32~MHz (USB+LSB), but only the USB dataset was used for the analysis. \end{table}