If you have downloaded the pdf format if the score card, you are good to go. There is no individual score card per se. Check your rank, score and percentile in the score card. Ypur name, Roll number, All India rank, Over all percentile and total score will be printed in the score card. Based on the cut off, shortlisted candidates will be called in for Centralised Admission process. Based on your marks, your All India rank will be determined and college will be allotted. Your admit card will have ypur roll number and other details to prove your identity. The pdf print out is for future references. So once you are shortlisted and called in for counselling, they will verify your details based on your Roll number in the Admit card.