BBM course is enough to appear for bank exams as it comes under a graduation degree. After the completion of BBM, you will be eligible for Bank PO exams. But you will get job only after clearing its entrance exam

Eligibility for Bank PO Exam:

Nationality
- Must be either:
(i) a Citizen of India or
(ii) a subject of Nepal or
(iii) a subject of Bhutan or
(iv) a Tibetan Refugee who came over to India before 1st January 1962 with the intention of permanently settling in India or
(v) a person of Indian origin who has migrated from Pakistan, Burma, Sri Lanka, East African countries of Kenya, Uganda, the United Republic of Tanzania (formerly Tanganyika and Zanzibar), Zambia, Malawi, Zaire, Ethiopia and Vietnam with the intention of permanently settling in India

Age
- Must have attained 20 years and maximum 28 years

Education
- You must have passed Degree with 60% marks in any discipline from a recognized University or any equivalent qualification recognized as such by the Central Government.