added functions for restricted mode

[shenda1]

Description

PR is raised to add restricted mode functuonality.

GitHub Issues

List the GitHub issues impacted by this PR:

GitHub Issue #

Checklist:

• I have performed a self-review of my own code to ensure there are no formatting, vetting, linting, or security issues
• I have verified that new and existing unit tests pass locally with my changes
• I have not allowed coverage numbers to degenerate
• I have maintained at least 90% code coverage
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have added tests that prove my fix is effective or that my feature works
• Backward compatibility is not broken

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Please also list any relevant details for your test configuration

• Integration Tests
  

• Unit Tests
  

test_op.txt

[AkshaySainiDell]

Please attach the output of make unit-test command.

[shenda1]

Please attach the output of make unit-test command.

Added output in test_op.txt