The eligibility criteria for the course of BHM from IGNOU is passing in 12th or equivalent examination. It is a regular Programme in collaboration with NCHMCT, NOIDA with components from Distance learning. You can take admission here through national level entrance test (JEE) conducted by NCHMCT. If you haven't taken the test this year you will not be able to take admission in this session. You can apply next year.
You can use the link below for more details.
Best of luck