Const fromFile = "C:\Users\karthikeyan\Desktop\Automation_Russia\ME Revenue File.xlsm"
Dim srcBook As Workbook
Set srcBook = Application.Workbooks.Open(fromFile, _
UpdateLinks:=False, _
ReadOnly:=True, _
AddToMRU:=False)
srcBook.Sheets("A.4 Engagement Summary").Copy After:=ThisWorkbook.Sheets(ThisWorkbook.Sheets.Count)
srcBook.Close False