How can I bring out a revolution in the working environment(specifically the working process) and the revolution is really necessary?

You can bring improvement(let Revolution word be used by  non professionals) by putting in appropriate Process  Controls.

Accordingly,Barrier Audits,caution points and Look Back& Check Again points may be designed so as to enable a smooth "quality journey".

Ensure that no process goes to next customer without meeting the  specs/parameters in all respects.