After completing Bachelors in Computer applications (BCA) either you can apply for the higher studies or for the job. For higher studies you are eligible for following courses:

Master Of Computer Application (MCA)
Master Degree in Computer Management (MCM)
Master in Management (MIM)/ MSc in Management
Master Of Business Administration
MSc IT
G-CAT Masters
PGDCA (Post Graduation Diploma in Computer Applications )
PGDM (Post Graduate Diploma In Management)
LAW
Mass Communication Courses
M.Com



For government job you can apply for following entrance exam:

UPSC Civil Services

SSC SI Recruitment

CBI Officer Recruitment

APPSC Group Examinations

UPSC CDA Examinations

IBPS Clerical Recruitment

IBPS PO Recruitment, etc.......


You can also apply in following companies for job:

IBM

AMAZON

SONY

SATYAM

DELL

INFOSIS

ACCENTURE

TCS

MICROSOFT

WIPRO