Tamil Nadu Public Service Commission [TNPSC] — apply for exam problem

Address:

Chennai, Tamil Nadu

I am keerthiga. I am one time register complete next i did't connect the link for mail id. Now open the link login in my id and password. This is incorrect in show. I try another time one rime register its tell already registered. My details also sumbit the information and ok got it. Not registered. This information also already registered. What i do sir. I am first time try the government exam sir. Please understand me.
Please kindly reply me sir
Thank u,