filament “fs1" (length $\sim$17 pc), which is also highlighted by a broken black curve in Figure \[fig2\]b. However, an elongated morphology of filament “fs2", as traced in the [*Herschel*]{} temperature map, is not seen by this $N(\mathrm H_2)$ contour level. One of the parts of the filament “fs2" is prominently depicted by this $N(\mathrm H_2)$ contour level (see a broken white circle). In the direction of the IRDCs highlighted in the image at 24 $\mu$m, both the [*Herschel*]{} maps indicate the presence of the embedded filaments. With the knowledge of T$_\mathrm{d}$ toward the filamentary structures and the H[ii]{} regions, two distinct environments are evident in the selected physical system.

Based on the analysis of the [*Herschel*]{} column density and temperature maps, we examine the stability of the elongated filament “fs1" (mass $\sim$51000 M$_{\odot}$; length $\sim$17 pc; T$_\mathrm{d}$ $\sim$19 K). To compute the mass of the filament/clump, we employed the equation, $M_{area} = \mu_{H_2} m_H Area_{pix} \Sigma N(H_2)$, where $\mu_{H_2}$ is the mean molecular weight per hydrogen molecule (i.e., 2.8), $Area_{pix}$ is the area subtended by one pixel (i.e., 6$''$/pixel), and $\Sigma N(\mathrm H_2)$ is the total column density [see also @dewangan17]. Following the works of @dewangan18, we have estimated the 