Here is My Code.

private void getActionItems(Document document, Chapter chapter, Section section, Paragraph pas) { List drbRefList = null; try { _actionService = new ActionItemImpl(); _aiBean = new ActionItemData(); if (_aiBean != null) { _actionList = new ArrayList(); LOG.info("business passed here is" + _business); _actionList = _actionService.getActionItemsForPDF(_userSSOID, _business, _reviewID, _connection); } LOG.info(" after calling getActionItemsForPDF"); LOG.info("_actionList" + _actionList);

    Table tablesh1 = new Table(1, 1);
    float[] widthsh1 = new float[1];
    widthsh1[0] = ReviewConstants.MAGIC_DOTTWELVE;
    tablesh1.setTableFitsPage(true);
    tablesh1.setPadding(2);
    tablesh1.setSpacing(0);
    tablesh1.setWidth(ReviewConstants.MAGIC_ONEZEROZERO);
    tablesh1.setWidths(widthsh1);
    tablesh1.setBorderColor(Color.WHITE);
    Cell hcell = new Cell(new Paragraph(ReviewConstants.S_ACTIONHEADING, 
               new Font(Font.HELVETICA, fontSize, Font.BOLD, Color.BLUE)));
    hcell.setHeader(true);
    tablesh1.addCell(hcell);
    section.add(tablesh1);
    Table actionTable = null;
    String businessUnit = reviewData.getBusinessUnit();
    float[] widthac = null;
    //Updated for Nuclear Energy Engineering Business Unit Requirement by Naveen
    if(!"Nuclear Energy Engineering".equalsIgnoreCase(businessUnit)){
        actionTable = new Table(ReviewConstants.NINE,ReviewConstants.THREE);
        widthac = new float[ReviewConstants.NINE];
        widthac[0] = ReviewConstants.MAGIC_DOTONE;
        widthac[1] = ReviewConstants.MAGIC_DOTONEZERO;
        widthac[2] = ReviewConstants.MAGIC_DOTTWOZERO;      
        widthac[ReviewConstants.THREE] = ReviewConstants.MAGIC_DOTTWOZERO;  
        widthac[ReviewConstants.FOUR] = ReviewConstants.MAGIC_DOTONEZERO;
        widthac[ReviewConstants.FIVE] = ReviewConstants.MAGIC_DOTONEZERO;
        widthac[ReviewConstants.SIX] = ReviewConstants.MAGIC_DOTONEZERO;
        widthac[ReviewConstants.SEVEN] = ReviewConstants.MAGIC_DOTONEZERO;
        widthac[ReviewConstants.EIGHT] = ReviewConstants.MAGIC_DOTONEZERO;
    }else{
        actionTable = new Table(ReviewConstants.SIX,ReviewConstants.THREE);
        widthac = new float[ReviewConstants.SIX];
        widthac[0] = ReviewConstants.MAGIC_DOTONE;
        widthac[1] = ReviewConstants.MAGIC_THREEZERO;
        widthac[2] = ReviewConstants.MAGIC_THREEZERO;
        widthac[ReviewConstants.THREE] = ReviewConstants.MAGIC_THREEZERO;
        widthac[ReviewConstants.FOUR] = ReviewConstants.MAGIC_DOTONEZERO;
        widthac[ReviewConstants.FIVE] = ReviewConstants.MAGIC_DOTONEZERO;
    }
    actionTable.setTableFitsPage(true);
    actionTable.setPadding(2);
    actionTable.setSpacing(0);
    actionTable.setWidth(ReviewConstants.MAGIC_ONEZEROZERO);
    actionTable.setWidths(widthac);
    actionTable.setBorderWidth(1);
    Cell accell = new Cell(new Paragraph(ReviewConstants.S_ACTIONID,
             new Font(Font.HELVETICA, fontSize, Font.BOLD)));
    accell.setHeader(true);
    actionTable.addCell(accell);

    if(!"Nuclear Energy Engineering".equalsIgnoreCase(businessUnit)){
        accell = new Cell(new Paragraph(ReviewConstants.PDF_RT,
                 new Font(Font.HELVETICA, fontSize, Font.BOLD)));
        accell.setHeader(true);
        actionTable.addCell(accell);
    }
    accell = new Cell(new Paragraph(ReviewConstants.S_REQA,
             new Font(Font.HELVETICA, fontSize, Font.BOLD)));
    accell.setHeader(true);
    actionTable.addCell(accell);        
    accell = new Cell(new Paragraph(ReviewConstants.S_CLOSURE, 
             new Font(Font.HELVETICA, fontSize, Font.BOLD)));
    accell.setHeader(true);
    actionTable.addCell(accell);

    accell = new Cell(new Paragraph(ReviewConstants.S_DISPOSITION, 
             new Font(Font.HELVETICA, fontSize, Font.BOLD)));
    accell.setHeader(true);
    actionTable.addCell(accell);
    //added by santosh on 18 june 
    actionTable.endHeaders();
    document.add(actionTable);

    if(!"Nuclear Energy Engineering".equalsIgnoreCase(businessUnit)){
        accell = new Cell(new Paragraph(ReviewConstants.S_DRB_REFERENCE, new Font(
                    Font.HELVETICA, fontSize, Font.BOLD))); 
        accell.setHeader(true);
        actionTable.addCell(accell);
        accell = new Cell(new Paragraph(ReviewConstants.S_DEADLINE, new Font(
                    Font.HELVETICA, fontSize, Font.BOLD))); 
        accell.setHeader(true);
        actionTable.addCell(accell);
    }
    accell = new Cell(new Paragraph(ReviewConstants.S_OWNER, new Font(
                Font.HELVETICA, fontSize, Font.BOLD))); 
    accell.setHeader(true);
    actionTable.addCell(accell);
    accell = new Cell(new Paragraph(ReviewConstants.S_STATE, new Font(
            Font.HELVETICA, fontSize, Font.BOLD))); 
    accell.setHeader(true);
    actionTable.addCell(accell);
    int acSize = 0;
    if (_actionList != null) {
        acSize = _actionList.size();
    }
    for (int i = 0; i < acSize; i++) { 
    _aiBean = (ActionItemData) _actionList.get(i);      
    Cell adCell = new Cell(new Paragraph(_aiBean.getActionID(), new Font(
                Font.HELVETICA, ReviewConstants.MAGIC_EIGHT))); 
    adCell.setHeader(false);
    actionTable.addCell(adCell);

    if(!"Nuclear Energy Engineering".equalsIgnoreCase(businessUnit)){
        if (_aiBean.getActionItemType().equals("0")) {
        adCell = new Cell(new Paragraph("Normal", 
                new Font(Font.HELVETICA, fontSize))); 
        } else {
            adCell = new Cell(new Paragraph("Critical", 
                    new Font(Font.HELVETICA, fontSize))); 
        }       
        adCell.setHeader(false);
        actionTable.addCell(adCell);
    }
    adCell = new Cell(new Paragraph(_aiBean.getRequiredAction(), 
                    new Font(Font.HELVETICA, fontSize))); 
    adCell.setHeader(false);
    actionTable.addCell(adCell);
    adCell = new Cell(new Paragraph(_aiBean.getClosureCriteria(), 
                    new Font(Font.HELVETICA, fontSize))); 
    adCell.setHeader(false);
    actionTable.addCell(adCell);
    String drbLink = ReviewConstants.EMPTY;
    drbRefList = new ArrayList();
    if (!DRUtils.isEmpty(_aiBean.getState())
                    && ((_aiBean.getState()
                            .equalsIgnoreCase(ReviewConstants.DRAFT_BEGUN_STATE))
                            || (_aiBean.getState()
                                    .equalsIgnoreCase(ReviewConstants.SCOPE_PROPOSED)) || (_aiBean
                            .getState()
                            .equalsIgnoreCase(ReviewConstants.RES_PROPOSED)))) {
                 drbLink = ReviewConstants.EMPTY;
                _aiBean.setDisposition(ReviewConstants.EMPTY);

            } else {                    
                drbRefList = _actionService.getDrbRefForPDF(_aiBean.getActionSeqID(), _connection);
                int drbRefCnt = 0;
                if (drbRefList != null) {
                    drbRefCnt = drbRefList.size();
                    int j = 0;
                    for (j = 0; j < drbRefCnt; j++) {
                        LOG.info("drbRefList.get(j)"
                                + drbRefList.get(j).toString());
                        if (j < (drbRefCnt - 1)) {
                            drbLink += drbRefList.get(j).toString()
                                    + ReviewConstants.COMMA_SPACE;
                        } else {
                            drbLink += drbRefList.get(j).toString();
                        }
                    }
                }
            }
    LOG.info("drbLink" + drbLink);  
    adCell = new Cell(new Paragraph(_aiBean.getDisposition(), 
            new Font(Font.HELVETICA, fontSize))); 
    adCell.setHeader(false);
    actionTable.addCell(adCell);
    //Updated for Nuclear Energy Engineering Business Unit Requirement by Naveen
    if(!"Nuclear Energy Engineering".equalsIgnoreCase(businessUnit)){
        adCell = new Cell(new Paragraph(drbLink, new Font(
                Font.HELVETICA, fontSize)));
        adCell.setHeader(false);
        actionTable.addCell(adCell);        
        adCell = new Cell(new Paragraph(_aiBean.getDeadline(), 
                        new Font(Font.HELVETICA, fontSize))); 
        adCell.setHeader(false);
        actionTable.addCell(adCell);
    }
    adCell = new Cell(new Paragraph(_aiBean.getActionItemOwnerName(), 
                    new Font(Font.HELVETICA, fontSize)));
    adCell.setHeader(false);
    actionTable.addCell(adCell);
    adCell = new Cell(new Paragraph(_aiBean.getState(), 
            new Font(Font.HELVETICA, fontSize)));
    adCell.setHeader(false);
    actionTable.addCell(adCell);
    //added by santosh
    actionTable.endHeaders();
    document.add(actionTable);
    // added by santosh end
    }

    /*Phrase headerPhrase = new Phrase();
    Table headTab = (Table)actionTable.getElement(0, 5);
    headerPhrase.add(headTab);
    HeaderFooter printHeader = new HeaderFooter(headerPhrase,false);
    System.out.println("addHeader");
    document.setHeader(printHeader);
    actionTable.setLastHeaderRow(1);

    actionTable.endHeaders();
    document.add(actionTable);*/
    // added by santosh
    actionTable.endHeaders();
    document.add(actionTable);
    // added by santosh end
     section.add(actionTable);

 }  catch (Exception e) {
    LOG.error("General Exception occured", e);
  }

}