@RequestMapping(value = "/index.do", method = RequestMethod.POST)
  public String getIndexPage(
      @RequestParam(value = "error", required = false) boolean error,
      ModelMap model,
      HttpServletRequest request,
      RedirectAttributes redirectAttributes) {
    logger.debug("Received request to show Index page POST");

    if (rpHash(request.getParameter("defaultReal"))
        .equals(request.getParameter("defaultRealHash"))) {
      // if enter here means valid
      // here we generate OTP
      String sOTP = com.mobipay.customerkycweb.util.Utils.generateOTP();
      String sMDN = request.getParameter("mdn");
      if (sMDN.startsWith("0")) sMDN = sMDN.substring(1, sMDN.length());
      String sCountryCode = request.getParameter("countrycode");
      sMDN = sCountryCode + sMDN;
      System.out.println(">>>>>> " + sMDN + "<<<<<<<");

      User user = new User();
      user.setMdn(sMDN);
      user.setOtp(sOTP);

      // check if MDN already in registered as customer
      List<Customer> listCust = custService.searchByName(sMDN);
      if (listCust.size() < 1) {
        model.addAttribute("errors", "You are not registered as User!");
        model.addAttribute("countryCodeList", CommonCollection.getCountryCode());
        return "index";
      } else {
        // check if user exist > create new user in DB if not exist
        List<User> listUser = userService.searchByMDN(sMDN);
        if (listUser.size() < 1) {
          user.setPassword(new EncryptSHA().Encrypt(sOTP));
          user.setRoleid(1);
          user.setStatus("1");
          user.setLastupdate(dateFormat.format(date));
          userService.updateOrSaveUser(user);
        } else {
          // save newest OTP become password
          userService.customUpdateUser(user);
        }

        // send OTP to customer
        String sResult = com.mobipay.customerkycweb.util.Utils.sendOTP(sMDN, sOTP, otp_link);

        System.out.println("%%%%%%>>> " + sOTP + " " + sResult);

        redirectAttributes.addFlashAttribute("mdn", sMDN);

        return "redirect:login.do";
      }
    } else {
      model.addAttribute("errors", "Please Enter Correct Captcha!!");
      model.addAttribute("countryCodeList", CommonCollection.getCountryCode());
      return "index";
    }
  }
  @RequestMapping(value = "/index.do", method = RequestMethod.GET)
  public String getIndex2Page(
      @RequestParam(value = "defaultReal", required = false) boolean error, ModelMap modelMap) {
    logger.debug("Received request to show Index page");

    modelMap.addAttribute("countryCodeList", CommonCollection.getCountryCode());
    return "index";
  }