[{"manufacture_Id":"XEROX","printer_Type":"officeJet","printerTypeName":"Office Jet",isDeleted:true},{"manufacture_Id":"XEROX","printer_Type":"homeJet","printerTypeName":"Home Jet"},{"manufacture_Id":"HP","printer_Type":"HpOfficeJet","printerTypeName":"HP Office Jet",isDeleted:true},{"manufacture_Id":"HP","printer_Type":"HpHomeJet","printerTypeName":"HP Home Jet"},{"manufacture_Id":"XEROX","printer_Type":"homeJet1","printerTypeName":"Home Jet 1",isDeleted:false},{"manufacture_Id":"XEROX","printer_Type":"homeJet2","printerTypeName":"Home Jet 2",isDeleted:true},{"manufacture_Id":"XEROX","printer_Type":"homeJet3","printerTypeName":"Home Jet 3",isDeleted:true},{"manufacture_Id":"XEROX","printer_Type":"homeJet4","printerTypeName":"Home Jet 4"}]

db.collection.find({"manufacture_Id":"XEROX"},{"$or":[{"isDeleted":false},{"isDeleted":{"$exists":false}}]})