Icwai training doubts

Dear Friends,

1) For claiming exemption from training form t3 is to be sent to delhi chptr within 45 days.....if time limit is over what is the procedure to claim it???or can v claim the same if 45 days are over

2)what if student is currently working but 45 days are over and no application is sent??

3) if office in which the student works does not fall under the category of those mentioned by institute whats is the procedure to enquire on the same???