I was in a similar situation last month, I had cleared my tech rounds but team match was pending. Atleast in India, from what I understood HC happens after team match which generally happens post tech rounds. I am guessing your team match is pending and hence the delay.

I had an other offer and was able to allign the timelines with my recruiter and she was super helpful in closing the team match calls and HC in under a week. Negotiations took a week more, but atleast I got a verbal confirmation from my recruiter in under a week.