@vibhatnaI also found the same support solution
https://helpx.adobe.com/dtm/kb/How_to_use_DTM_for_Single_Page_Apps.html
However I am not sure about one thing. Like if we create a direct call
rule then we have to map an event to trigger when this direct call
success will happen but would I be able to track the general user
metrics like Unique visitor, page views, activity map, marketing
channels etc? What if I just configure the event as DCR rule and send a
beacon & no variable is set. Then also ...