There is such a wide scope of MCA in Government as well as Private sector.

Career Opportunities after MCA:
After getting an MCA degree, one can enter any of the following roles:

1.  Software Developer/Programmer/Engineer:

Software Developers are responsible for designing, installing, testing and maintaining the software systems. They provide IT services by analyzing the client needs and designing the system to meet those requirements. It is a very creative field that goes beyond the usual job of coding.

2. Troubleshooter:

Troubleshooters are the lifeline of any organization. They make sure that the technology (hardware and software) is easily accessible to all those who require them. If any issue comes up, troubleshooters take the charge of resolving it so that the projects are delivered on time. They also maintain the resources required by software developers and others.

3. System Analyst:

A system analyst is responsible to design innovative IT solutions to drive businesses and increase efficiency. Their role is to study the current business situation, business processes and models, and design better IT solutions in terms of software for their clients. They are a bridge between the software developers and the clients.

4. Software Application Architect:

The role of a Software Architect is to make high-level decisions in Architecture and design of IT products or services. He/she develops technical guidelines and protocols such as software coding standards, tools and platforms. They make use of several software architectural models to get their job done.

Hope this helps.