With profound respect, I sincerely express my regrets for my misbehaviour towards my class-teacher, ____________ (Class Teacher Name)
During the ____________ period, ____________ (Class teacher Name) was going to teach mathematics in our class. Some of the students, sitting on the back seats, were found indulging in gossips. I was sitting beside them.
____________ (Teacher Name) inadvertently signaled me out and held me responsible for disturbing the class. This remark provoked me.
I immediately got up and told him that I was not the only person disturbing the class, ____________ (Teacher Name) felt offended and lodged a complaint with you against me.
I later on realized that I should not have been so impolite and rude towards ____________ (Teacher Name) whom I hold in high esteem.
I submit my heartfelt regrets and tender an apology, for my indecent behaviour. I hope you will kindly pardon me.