For those who apply for N400 on after October 1 2008 a redesigned test will be conducted which appears to go indepth and tough.
For those who applied N400 before October 1 2008 and appearing for the interview after October 1 2008 will have a choice to take the test either in old format or redesigned until October 1 2009.
For those who applied N400 before October 1 2008 and appearing for the interview after October 1 2008 will have a choice to take the test either in old format or redesigned until October 1 2009.