Yes, he indeed posted on your thread for "no reason". Do not ever PM-spam me again; my response was rather nice.
So what's with
that post? Are you saying you have no idea who that is or why he'd suddenly write a post stating the bounty was over? I haven't read the whole thread past that post, but it does seem odd that Wipro would write that in your thread for no reason--and in the same oversized font, as well.
No, no. It's common for other BMs to post updates in the bounties that "you manage" for no reason and for you to never mention anything about it anywhere.

Are the following account also not related to your "management services":
Maycornslhardyaibb