See In The Video How PTI Teachers Speak English
Whether we talk in Hindi or English, it must be correct. If you do not know a particular language, then there is no problem but in the case when you do know and try speaking in that language, then it must be correct otherwise you will definitely make fun of yourself infront of others.
There are also some teachers in school who know English very well and they always speak in English. Also there are few teachers who do not know correct English and PTI teachers are always one of them. So, let's watch in the video how these PTI teachers postmortems English.