@for(int i = 0; i < Model.Count(); ++i) {
    @Html.HiddenFor(m => m[i].Id)
    // send other properties
 }

public ActionResult Import(HttpPostedFileBase excelfile)
    {
        //Code to get data from Excel sheet
        for( int row =2; row <=range.Rows.Count; row++)
            {
                Employeelist emp = new Employeelist();
                emp.ID =((Excel.Range)range.Cells[row,1]).Text;
                obj.Add(emp);
            }
        TempData["doc"] = obj;
        return View("success", obj);
    }

@model IEnumerable<AzSample.Models.Employeelist>
@using (Html.BeginForm("Save","Home", FormMethod.Post))
{
@Html.AntiForgeryToken()
<h2>Employees Details</h2>
<div>
    <table>
        <tr>
            <th>Id</th>

        </tr>
 @{var list = (List<AzSample.Models.Employeelist>)TempData["doc"];}
@{TempData["doc"] = list;}
        @foreach (var emp in list)
        {
            <tr>
                <td>@emp.ID</td>
            </tr>
        }
    </table>

    <button type="submit" value="save"  onclick="@Url.Action("Save", "Home")">Save</button>
</div>
}

[HttpPost]
public ActionResult Save()
{
   if (TempData["doc"] != null)
    {
        // Your code will be here
    }
}