Urgent help...

I got tagged to project on basis of reporting to nearest branch,they are forcing me to come to depute location. While joining i asked them can i report to nearby location,they said yes. Iam asking for release,as i am not given any access or KT till now to their environments but they are not giving. HR is also with them. HR has sent warning mail... how to handle this situation...i want release from project as i dont have knowledge on their project technology...anyone help what to do