Hi Deepanshu
The download links are in the term info Downloads section at the bottom when you first load the template alone this will be displayed or you can navigate the the template in the Layers tool or by clicking the links in the Aligned To section when images are selected.
for JRC2018U:
https://v2.virtualflybrain.org/org.geppetto.frontend/geppetto?id=VFB_00101567&i=VFB_00101567Downloads
Mesh/Pointcloud (OBJ): VFB_00101567_mesh.obj
Slices (Woolz): VFB_00101567.wlz
Aligned Image: VFB_00101567.nrrd
Note: see source & license above for terms of reuse and correct attribution.
I hope this helps if not let me know what you're trying.
Thanks,
Robert Court
VirtualFlyBrain.org