Change control in pharma

What are contents of change control in pharmaceutical industry ?

Mr. Soni,
Change control form must has at least following content,

  • Change Description (Short)
  • Reason for change
  • Existing, Proposed and Justification of change
  • Impact Assessment of the proposed change on existing and new system
  • Action plan to the proposed change
  • Risk assessment with proposed change
  • Regulatory Assessment
  • Approval
  • Effectiveness monitoring after change implementation.
  • Closure by QA

Dear sir,
I am composing SOps about impact assessment. Can you give me some documents about it
Thanks in advance