You can get the application in both ways: download and CD, but the CD will cost you extra. However, on the page the software is listed as being available for purchasing and downloading, but the download is broken, which means you won't have the possibility to test it.
Official website: http://fateh.sikhnet.com/s/GurbaniResearcher
Before attempting to buy the software, contact the developers to give you a demo to try out:
106A, Osian Building, 12 Nehru Place, New Delhi-110019
Tel : 91-11-26284934, 56006259, Fax : 91-11-36367000
E.mail : firstname.lastname@example.org