The most likely courses which can be pursued to have a good scope are listed below:

As per your request here I am telling you the names of Top computer courses having good scope in future:

Master of Science in Hardware & Networking
Diploma in Hardware Maintenance
Post Graduate Diploma in Hardware Maintenance and Networking (PGDHMN)
Master of Science in Hardware & Networking
Post Graduate Diploma in Hardware Maintenance and Networking (PGDHMN)
Diploma in Computer Multimedia
Android Mobile Software Course
Diploma in Software Engineering (DSE)
Advanced Diploma in Multiple Multimedia (ADMM)
Diploma in Computer Network Engineering (DCNE)
Diploma in Computers & Financial Accounting(DCFA)
Retail Management(CR & Sales, Telesales)

You can also pursue course in specialized programming languages like
C
C++
Java
.Net
Oracle

These are considered the basics in programming & can take you places in the software sector.

Some of the top software companies are:

HCL

Microsoft

IBM

Wipro

Intel

AMD

Dell

Google

Infosys

TCS

Tech Mahindra

HP