Madhya Pradesh Bhoj (Open) University - [MPBOU], Bhopal - Affiliated Colleges

Yes, you can apply for CAT even if you have graduated from an open university. The only condition is that you must have scored 50% or more marks (45% in the case of reserved category) in your bachelor’s degree from a UGC-recognized university. 

Bhoj Open University has been recognized by the Ministry of HRD, Government of India. Thus, you will be eligible to apply for CAT.