Hi Farhan!

Tou can find the version of your Radia patch acquisition server by executing the following commands from a CMD window:

cd C:\Program Files (x86)\PSL\RCA\PatchManager
nvdkit-rca-patch.exe version .\modules\patch.tkd

You will then see something like the below, where 'version 09.10.0000 build   91131' is the version.
----------------------
Kit Version:    8.4.13
Kit Build:      600.15
Kit Encoding:   cp1252

Build Date:     20150514 14:03:14 UST
Build Platform: Windows NT 5.2
Build Machine:  intel
Build Host:     rca-winbldv7
Build User:     nvdkit

C:/Program Files (x86)/PSL/RCA/PatchManager/modules/patch.tkd:
  module patch         version 09.10.0000 build   91131      20161114 08:59:12 UST
----------------------

Best regards,
Arne Halsteinslid
Solution Architect
Commercial Data Servers AS
www.cds.no

The acquire log contains some useful information regarding the patch acuisition server version and nvdkit.exe module. 

20180508 17:20:38 Info: Patch Publisher 09.10.0000 Build 91153 Process ID 1692 Initialized

20180508 17:20:38 Info: Using nvdkit build 700.21 from C:\Program Files (x86)\PSL\RCA\PatchManager\nvdkit-rca-patch.exe