Hello Student

The year of 2008, you have passed the ICSE examination you have a hall ticket which is an admit card for entering  the hall . In this  admit card there is 7 digit unique number that is your roll number this roll number is now they are asking for  to fill up the form of 3 years LLB course through Mht cet . So you should not have to confused for asking of the unique number. These 7 digit unique number which is used as roll number or identified as roll number which you have written on your answer paper is the unique number now  the college authority is asking for  three years LLB course  .

Hope this helps.