Hi mahesh213,

Check this example. Now please take its reference and correct your code.

Namespaces

using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Imaging;
using System.IO;
using System.Linq;
using System.Web.Mvc;
using iTextSharp.text;
using iTextSharp.text.pdf;
using iTextSharp.tool.xml;

Controller

public class HomeController : Controller
{
    // GET: /Home/
    public ActionResult Index()
    {
        return View();
    }

    public JsonResult getAll()
    {
        return Json(GetEmployees(), JsonRequestBehavior.AllowGet);
    }

    [HttpPost]
    public ActionResult GenerateReport(int eId)
    {
        string html = "";
        Employee employee = GetEmployees().Where(x => x.EId == eId).FirstOrDefault();
        // Company Logo and Name.
        html += "<table>" +
                "<tr><td colspan='2'><img src='" + GetUrl("Files/Logo.png") + "' height='50px' width='100px' /></td></tr>" +
                "<tr><td>Company : </td><td><b>Excelasoft Solutions</b></td></tr>" +
                "<tr><td colspan='2'>&nbsp;</td></tr></table>";
        // Employee Data.
        html += "<table border='1' cellpadding='0' cellspacing='0' width='100%'><tr>" +
                "<th>Id</th>" +
                "<th>Name</th>" +
                "<th>Gender</th>" +
                "<th>Phone No</th>" +
                "<th>Location</th>" +
                "<th>Company</th>" +
                "</tr><tr>" +
                "<td>" + employee.EId + "</td>" +
                "<td>" + employee.EName + "</td>" +
                "<td>" + employee.Gender + "</td>" +
                "<td>" + employee.PNo + "</td>" +
                "<td>" + employee.Location + "</td>" +
                "<td>" + employee.Company + "</td>" +
                "</tr></table>";
        byte[] bytes;
        using (MemoryStream stream = new MemoryStream())
        {
            StringReader sr = new StringReader(html);
            Document pdfDoc = new Document(PageSize.A4, 5f, 5f, 10f, 5f);

            PdfWriter writer = PdfWriter.GetInstance(pdfDoc, stream);
            pdfDoc.Open();
            XMLWorkerHelper.GetInstance().ParseXHtml(writer, pdfDoc, sr);
            pdfDoc.Close();
            bytes = stream.ToArray();
        }


        Bitmap bitmap = new Bitmap(300, 100, PixelFormat.Format64bppArgb);
        Graphics graphics = Graphics.FromImage(bitmap);
        graphics.Clear(Color.White);
        graphics.DrawString("@ASPSnippets.com", new System.Drawing.Font("Arial", 20, FontStyle.Bold), new SolidBrush(Color.Red), new PointF(0.4F, 2.4F));
        bitmap.Save(Server.MapPath("~/Image.jpg"), ImageFormat.Jpeg);
        bitmap.Dispose();
        var img = iTextSharp.text.Image.GetInstance(Server.MapPath("~/Image.jpg"));
        img.SetAbsolutePosition(200, 600);
        PdfContentByte waterMark;
        using (MemoryStream stream = new MemoryStream())
        {
            PdfReader reader = new PdfReader(bytes);
            using (PdfStamper stamper = new PdfStamper(reader, stream))
            {
                int pages = reader.NumberOfPages;
                for (int i = 1; i <= pages; i++)
                {
                    waterMark = stamper.GetUnderContent(i);
                    waterMark.AddImage(img);
                }
            }
            bytes = stream.ToArray();
        }
        System.IO.File.Delete(Server.MapPath("~/Image.jpg"));
        TempData["Data"] = bytes;
        return new JsonResult() { Data = new { FileName = employee.EName.Trim().Replace(" ", "_") + ".pdf" } };
    }

    [HttpGet]
    public virtual ActionResult Download(string filename)
    {
        if (TempData["Data"] != null)
        {
            byte[] data = TempData["Data"] as byte[];
            return File(data, "application/pdf", filename);
        }
        else
        {
            return new EmptyResult();
        }
    }

    private string GetUrl(string imagePath)
    {
        string appUrl = System.Web.HttpRuntime.AppDomainAppVirtualPath;
        if (appUrl != "/")
        {
            appUrl = "/" + appUrl;
        }
        string url = string.Format("{0}://{1}{2}", Request.Url.Scheme, Request.Url.Authority, appUrl);

        return url + imagePath;
    }

    private List<Employee> GetEmployees()
    {
        List<Employee> employees = new List<Employee>();
        employees.Add(new Employee { EId = 1, EName = "Maria", Gender = "Female", PNo = "030-0074321", Location = "Austria", Company = "Alfreds Futterkiste" });
        employees.Add(new Employee { EId = 2, EName = "Antonio Moreno", Gender = "Male", PNo = "(5) 555-3932", Location = "Brazil", Company = "Antonio Moreno Taquería" });
        employees.Add(new Employee { EId = 3, EName = "Thomas Hardy ", Gender = "Male", PNo = "(5) 555-3932", Location = "Ireland", Company = "Around the Horn" });

        return employees;
    }

    public class Employee
    {
        public int EId { get; set; }
        public string EName { get; set; }
        public string Gender { get; set; }
        public string PNo { get; set; }
        public string Location { get; set; }
        public string Company { get; set; }
    }
}

View

<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <title>Index</title>
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/css/bootstrap.min.css" />
    <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.5.5/angular.js"></script>
    <script type="text/javascript">
        var app = angular.module('MyApp', []);
        app.controller('MyController', ['$scope', '$http', function ($scope, $http) {
            $http({
                method: 'GET',
                url: '/Home/getAll/'
            }).success(function (data) {
                $scope.items = data;
            });

            $scope.GenerateReport = function (id) {
                $http({
                    method: 'POST',
                    url: '/Home/GenerateReport/',
                    params: { eId: id }
                }).success(function (data) {
                    window.location = '/Home/Download?filename=' + data.FileName;
                });
            };
        } ]);
    </script>
</head>
<body ng-app="MyApp" ng-controller="MyController">
    <div class="container" id="printarea">
        <table class="table table-bordered">
            <tr class="success">
                <th>EId</th>
                <th>EName</th>
                <th>Gender</th>
                <th>PNo</th>
                <th>Location</th>
                <th>Company</th>
                <th>Ation</th>
            </tr>
            <tr ng-repeat="item in items">
                <td>{{item.EId}}</td>
                <td>{{item.EName}}</td>
                <td>{{item.Gender}}</td>
                <td>{{item.PNo}}</td>
                <td>{{item.Location}}</td>
                <td>{{item.Company}}</td>
                <td>
                    <button class="btn btn-success btn-sm" ng-click="GenerateReport(item.EId)">
                        <span class="glyphicon glyphicon-print"></span>&nbsp;PDF
                    </button>
                </td>
            </tr>
        </table>
    </div>
</body>
</html>

Screenshot