St Aloysius College offers numerous diploma and certificate courses that help students develop new skills and build expertise in a specialized area. This leads to students upgrading their professional profile, achieve the required career advancement and broaden their knowledge base. 
The following diploma courses are available:
Diploma in Business Management
Diploma in Computer Application
Diploma in Vermitechnology

The following certificate courses are available:

Certificate Course in German
Certificate Course in Phonetics and Communication
Certificate Course in Instrumental Methods of Analysis
Certificate Course in Food Safety and Adulteration
Certificate Course in Vermitechnology