Kendriya Vidayalaya school teacher force for teaching in his own coaching

Sir.I M ashish student of k.V I.I.T kanpur..sir my school teacher operates coaching from many years but no one can dare for cmplnt..rir they force us to coming on his coaching...nd give him to 500 rupee fee.If we dnt come then they torcher us for coaching sir please dont tell my detail with anyone..mr.Sunil kumar dixit.Mr.Anil kumar dwivedi.Mr.Anil kumar yadav..they all operates coaching..at their home..sir please take action