public Boolean uploadFile(String filePath,int chunkSize,JSONObject
           jsonObj)
   {
    boolean dataUploaded=false;
    InputStream inStream=null;
    try
    {
        File zipFile = new File(filePath);

        int fileSize =  (int)zipFile.length();
        inStream = new BufferedInputStream( new
        FileInputStream(filePath));

       //<b>this var changing</b>
       final int totalparts =(int) Math.ceil((double)fileSize /
                              (double)chunkSize);
        Logger.i("file totalparts", totalparts + "");

        byte [] data = new byte[chunkSize];
        int index=0,checkCount=0;
        boolean readNextData=true;

        while ( true )
        {
            if(readNextData) {
                inStream.read(data, 0, chunkSize);
                checkCount=0;
                ++index;
            }
            Logger.i("chunkList index", index + "");
            Logger.i("file totalparts", totalparts + "");


            jsonObj.put("fileName", zipFile.getName());
            jsonObj.put("base64Content",
            convertToBase64EncodingFromByteArray(data));
            jsonObj.put("partNo", index);
            jsonObj.put("totalParts", totalparts);
           //jsonObj.put("md5checksum","A0A0");
            jsonObj.put("md5checksum",CheckSum.getMd5OfByteArray(data));

            String responseData = sendData(jsonObj.toString());

            Logger.v("responseData",responseData);
            JSONObject responData=new JSONObject(responseData);
            String errorCode=(String) responData.get("ErrorCode");

            if(!errorCode.equals("0"))
            {
                checkCount++;
                readNextData=false;
                if(checkCount>4)
                    break;

            } else  if(errorCode.equals("0"))
            {
                readNextData=true;
                if( index==totalparts ){
                    dataUploaded=true;
                    break;
                }
            }else
            {
                break;
            }


            Logger.i("chunkList index status",index + "--"  );
            Logger.i("file totalparts", totalparts + "");


        }


    }catch(Exception e){
        Logger.ex(e);

    }finally {
        if(inStream!=null)

        {
            try {
                inStream.close();
            }catch (Exception e)
            {
                Logger.ex(e);
            }
        }
    }

    return dataUploaded;
}

2019-07-23 18:42:55.726 28853-29047/package name I/chunkList index status: 1--
2019-07-23 18:42:55.727 28853-29047/package name I/file <b>totalparts</b>: 3
2019-07-23 18:42:55.731 28853-29047/package name I/chunkList index: 2
2019-07-23 18:42:55.731 28853-29047/package name I/file <b>totalparts</b>: 3
2019-07-23 18:42:55.778 28853-29047/package name I/checkSumValue: A01E20955078EBF06A7FB9DEA62A942C
2019-07-23 18:42:55.899 28853-29047/package name E/Service Started: Service Started
2019-07-23 18:42:55.906 28853-29047/package name I/System.out: (HTTPLog)-Static: isSBSettingEnabled false
2019-07-23 18:42:55.907 28853-29047/package name I/System.out: (HTTPLog)-Static: isSBSettingEnabled false
2019-07-23 18:42:56.000 28853-28869/package name <b>I/zygote: Background concurrent copying GC freed 105453(5MB) AllocSpace objects, 83(15MB) LOS objects, 31% free, 52MB/76MB, paused 318us total 172.250ms</b>
2019-07-23 18:42:58.600 28853-29047/package name V/responseData: {"ErrorCode":"0","ErrorMessage":"","Result":"True","DeviceIMEI":null,"UserId":null,"UserName":null,"IRNumber":null,"UpdatedDate":"0001-01-01T00:00:00","TokenID":null}

<b>here its changed values inside loop</b>
2019-07-23 18:42:58.602 28853-29047/package name I/chunkList index status: 2--
2019-07-23 18:42:58.603 28853-29047/package name I/file <b>totalparts</b>: 330826152
2019-07-23 18:42:58.604 28853-29047/package name I/chunkList index: 3
2019-07-23 18:42:58.604 28853-29047/package name I/file <b>totalparts</b>: 330826152
2019-07-23 18:42:58.644 28853-29047/package name I/checkSumValue: 273E285FE912245F9382341A83A3439B
2019-07-23 18:42:58.749 28853-29047/package name E/Service Started: Service Started
2019-07-23 18:42:58.754 28853-29047/package name I/System.out: (HTTPLog)-Static: isSBSettingEnabled false
2019-07-23 18:42:58.755 28853-29047/package name I/System.out: (HTTPLog)-Static: isSBSettingEnabled false
2019-07-23 18:43:00.841 28853-29047/package name V/responseData: {"ErrorCode":"0","ErrorMessage":"","Result":"True","DeviceIMEI":null,"UserId":null,"UserName":null,"IRNumber":null,"UpdatedDate":"0001-01-01T00:00:00","TokenID":null}
2019-07-23 18:43:00.844 28853-29047/package name I/chunkList index status: 3--
2019-07-23 18:43:00.844 28853-29047/package name I/file <b>totalparts</b>: 330826152
2019-07-23 18:43:00.845 28853-29047/package name I/chunkList index: 4
2019-07-23 18:43:00.845 28853-29047/package name I/file <b>totalparts</b>: 330826152