Yes, you can apply for CAP Round 2 in MHT CET if you missed registering for Round  1.However, you will only be eligible for the vacant seats in Round 2, and the availability will depend on the seats left after Round 1 allotments. You must complete the registration for Round 2 as soon as possible. It's important to keep track of the timelines and procedures for the second round.

For more details you can visit the link given below

https://engineering.careers360.com/articles/mht-cet-cap-registration