I got my result for 2013 and got compartment in physics. I have sent the application form for verification of the marks with the said IPO amount. tried to contact the cbse delhi office but couldnt get through. i just want to ask that how do we know about if they have received our form or is there a application code that we will receive? in how many days will be the revised marks will be proceed and where? please help me solve my doubts.