I just read the RASE report and I think that not only should every Sikh in the UK read it, those in other western diaspora communities (i.e. Canada and the US) should read it too, so they can be aware of such things taking place in their own countries of residence and also be informed about the persistent inaction by English authorities in dealing with this matter over decades.
The link below will take you to a site from which you can request your own copy via email (for free). Here's a taste:
Update: It looks like the original site was taken down. You can get the report from here:
https://www.sikhawareness.com/topic/19517-rase-report-religiously-aggravated-sexual-exploitation-of-sikh-girls-download-link/