Hello Arya, 1st congrats for completing 12th board. Now, see Admission in DTU depends on scores you have scored...

1. For admission in engineering - Minimum 60% marks in 10+2 marks in aggregate of Physics, Chemistry and Mathematics along with English as one of the main subjects from a recognized board. 

2. For BA, BBA, B.des - minimum 50% required....

If you fulfills the criteria then ofcourse you are eligible... All the  best