I am deeply sorry if my habit of calling everyone Mister Sir or Madam insulted anyone. 
I sometimes addressed some female members as Mister Sir, which was a mistake and never intentional. I will stop this from now onwards.
Reason I used that phrase was trying to be respectful.

I sometimes addressed some female members as Mister Sir, which was a mistake and never intentional. I will stop this from now onwards.
Reason I used that phrase was trying to be respectful.