Can I join MBA in hospital administration without giving any entrance exam?

It's better to take an entrance exam. As most of the reputed and premier B-Schools offering MBA in hospital management accepts exam scores for admissions. Few are: Panjab University, Chandigarh Madurai Kamaraj University, Madurai Devi Ahilya Vishwavidyalaya, Indore Tata Institute of Social Services,

National level MAT examination is one of the requirements as eligibility criteria for MBA in India. You should opt for MAT.