However, your DGCA type may well fulfill the simulator requirement for the new rule, even though it's on a foreign license - if done at a facility that has an FAA approval.
Good luck on that. 61.156 says to take the knowledge test after 31 July you have to present a graduation certificate stating you have completed "the following training in a course approved by the Administrator." It's not just any random 10 hours of sim time but part of the approved ATP CTP.