diff --git a/src/app/deleteOldData.js b/src/app/deleteOldData.js
new file mode 100644
index 0000000..f219633
--- /dev/null
+++ b/src/app/deleteOldData.js
@@ -0,0 +1,117 @@
+/*
+============LICENSE_START==========================================
+===================================================================
+Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
+===================================================================
+
+Unless otherwise specified, all software contained herein is licensed
+under the Apache License, Version 2.0 (the License);
+you may not use this software except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+============LICENSE_END============================================ */
+//... deleteOldData.js - to be started by parent server process
+const fs = require('fs');
+
+var logger = require('./srvlogger');
+
+var clName= "deleteOldData";
+var cdt_home = ".";
+
+  this.thePid= process.pid;
+  console.log(clName+": thePid="+this.thePid );
+
+  console.log(clName+
+    ": execArgv:["+process.execArgv+"]\n argv:["+process.argv+"]");
+  var taskIdArgstr= process.argv[ 2 ];
+  var CDT_HOME= process.argv[ 3 ];
+  var LOG_DIR= process.argv[ 4 ];
+  console.log( clName+": argv: CDT_HOME:["+CDT_HOME+"]" );
+  var LogF= LOG_DIR+"/ndserver.log";
+  logger.addLog( clName+": start: CDT_HOME:["+CDT_HOME+"]\n",LogF);
+
+  var indT= taskIdArgstr.indexOf('=', 0);
+  if( indT < 0 ) {
+    this.taskId= taskIdArgstr;
+  } else {
+    this.taskId= taskIdArgstr.substr( indT+1 );
+  }
+  console.log(clName+": taskId:["+this.taskId+"]\n");
+  logger.addLog( clName+": taskId:["+this.taskId+"]\n",LogF);
+  if(  this.taskId == null || this.taskId == undefined || this.taskId.length < 1 )
+  {
+    var errMsg= clName+": Error: taskId is empty !\n";
+    console.log( errMsg );
+    throw new Error( errMsg );
+  };
+  var inpFilePfx= CDT_HOME+"/posted_data_";
+  var outFilePfx= CDT_HOME+"/sync_template_res_";
+  var parmFilePfx= CDT_HOME+"/template_params_";
+  var pstatfNamePfx= CDT_HOME+"/proc_status_";
+
+  let timeStamp = new Date().toISOString();
+ // console.log(clName+": timeStamp:["+timeStamp+"]\n");
+  logger.addLog( clName+": timeStamp:["+timeStamp+"]\n",LogF);
+
+  var inpFile= inpFilePfx +this.taskId +".txt";
+ // console.log(clName+": deleting inpFile:\n"+inpFile );
+  logger.addLog( clName+": deleting inpFile:\n"+inpFile+"\n",LogF);
+
+  fs.unlink( inpFile, (err) => {
+    if( err) {
+      console.log(clName+
+        ": Error while deleting "+inpFile+"\n "+err.message+"]\n");
+    }
+  });
+
+  timeStamp = new Date().toISOString();
+  console.log(clName+": timeStamp:["+timeStamp+"]\n");
+
+  var pstatfName= pstatfNamePfx +this.taskId+".json";
+  console.log(clName+": deleting proc.status File:\n"+pstatfName );
+
+  fs.unlink( pstatfName, (err) => {
+    if( err) {
+      console.log(clName+
+        ": Error while deleting "+pstatfName+"\n "+err.message+"]\n");
+    }
+  });
+
+  timeStamp = new Date().toISOString();
+  console.log(clName+": timeStamp:["+timeStamp+"]\n");
+
+  var outFile= outFilePfx+ this.taskId+".txt";
+  console.log(clName+": deleting proc.result File:\n"+outFile );
+
+  fs.unlink( outFile, (err) => {
+    if( err) {
+      console.log(clName+
+        ": Error while deleting "+outFile+"\n "+err.message+"]\n");
+    }
+  });
+
+  timeStamp = new Date().toISOString();
+  console.log(clName+": timeStamp:["+timeStamp+"]\n");
+
+  var parmFile= parmFilePfx+ this.taskId+".txt";
+  console.log(clName+": deleting parameters File:\n"+parmFile+"]\n");
+
+  fs.unlink( parmFile, (err) => {
+    if( err) {
+      console.log(clName+
+        ": Error while deleting "+parmFile+"\n "+err.message+"]\n");
+    }
+  });
+
+  timeStamp = new Date().toISOString();
+  console.log(clName+": timeStamp:["+timeStamp+"]\n");
+
+  console.log(clName+": finish.");