Below are the some basic courses which you can opt for

1- Certificate Course in Office Automation- Basics of computer, Windows, MS Office, Communicating using Internet, Web Browser, Communication and Collaborations, Making small presentation

2- Certificate Course in Soft Skills Communicative English- English Grammar, Letter Writing, Introduction to spoken variety of English, Phonetics, Tongue Twister, Windows, MS-Office & Internet, Module on Customer Care, Debating services

3- Bridge Course in Mathematics- Basic Mathematics, Algebra, Complex Number, Calculus, Permutations, Combinations, Binomial Theorem

4- Certificate Course in Web Designing- Introduction to Internet & Web, HTML,DHTML, JAVA Script, Flash PhotoShop, CSS Project on Website Development

You can consider below names -

SHORT TERM COURSES -
Embedded Programming
Big Data - Hadoop
Oracle
C, C#, C++
Web App Development
Mobile App Development
Java
HTML
SQL
Red Hat System Administration
Financial Accounting
GST Professional
Software Testing using Selenium
IT for beginners etc.

Hope this helps!!!