Most of your posts are made in SMT (Spam Mega Threads), which are constantly being deleted. When the mod deletes the whole thread, your post also gets deleted.
Sorry! I didn't understand what is Spam Mega Threads? Can u please elaborate it?
What should I do to avoid this kind of situation? Please kindly suggest.
Here is some examples of threads that you made posts on it.
https://bitcointalk.org/index.php?topic=1627833https://bitcointalk.org/index.php?topic=2574520At any time mods may trash it and you will lose 2 posts for example.
Spam mega thread = huge number of spammy posts.
+1600, 2599 posts in your case.