help me pls

I'm undergoing articleship in bangalore firm. I have completed 1 year and 11 months of aryicleship as on feb 15, 2019. I have to attend final coaching classes in bangalore so, I asked my principal that i will not go to any outstation audit. But he is forcing me to go to outstation audit.I'm suffering so much, pls help me by providing some information. What can i do now, who will help me now in this particular situation?