According to this issued announcement, last date of form submission for matric, for the class 9th and 10th with single fee is March 3, 2012 for regular candidates while private candidates can submit their forms with single fee till December 28, 2011. Also they can submit forms with double fee till January 17, 2012 and with triple fee forms can be submitted till February 2, 2012.
Intermediate part I and part II examination will start on May 5, 2012. Regular Candidates can submit their admission forms with single fee till February 27, 2012 and private candidates can submit their admission forms with single fee till February 20, 2012. With double fee, forms can be submitted till March 14, 2012 and with triple fee the date is April 4, 2012.