private static String getCellValueForMerginRegion(Cell cell) {

        int rowIdx=cell.getRowIndex();

        Sheet sheet=cell.getSheet();

        int mergedRegions=sheet.getNumMergedRegions();

        for (int i = 0; i < mergedRegions; i++) {

            CellRangeAddress cellRangeAddress=sheet.getMergedRegion(i);

            if (cellRangeAddress.getLastColumn()==0) {

                int firstRowIdx=cellRangeAddress.getFirstRow();

                int lastRowIdx=cellRangeAddress.getLastRow();

                if (rowIdx<=lastRowIdx&&rowIdx>=firstRowIdx) {

                    String cellValue = null;

                    for (int j = firstRowIdx; j <=lastRowIdx; j++) {

                        cellValue=getCellValue(sheet.getRow(j).getCell(0));

                        if (cellValue.trim().length()==0) {

                            System.out.println("firstRowIdx:"+firstRowIdx+",lastRowIdx:"+lastRowIdx+":"+cellValue);

                            continue;

                        }

                        break;

                    }

                    return cellValue;

                }

            }

        }

        return null;

    }