public IHttpActionResult UploadFile()
        {
            try
            {
                string filePath;
                var    httpRequest = HttpContext.Current.Request;

                var subcategoryID     = httpRequest.Form["subcategoryID"];
                var available         = httpRequest.Form["available"];
                var questionPaperName = httpRequest.Form["questionPaperName"];
                var duration          = httpRequest.Form["duration"];

                if (httpRequest.Files.Count < 1)
                {
                    return(BadRequest("Invalid Request"));
                }

                test newTest = new test();
                if (available == "true")
                {
                    newTest.available = true;
                }
                else
                {
                    newTest.available = false;
                }

                newTest.subcategoryID     = Convert.ToInt32(subcategoryID);
                newTest.questionPaperName = questionPaperName;
                newTest.duration          = TimeSpan.FromMinutes(Convert.ToInt32(duration));
                newTest.created_on        = DateTime.Now;

                var postedFile = httpRequest.Files[0];
                filePath = HttpContext.Current.Server.MapPath("~/Uploads/" + postedFile.FileName);
                postedFile.SaveAs(filePath);

                bllService.AddTest(newTest, filePath);
                return(Ok("Test Created"));
            }
            catch (Exception e)
            {
                return(BadRequest(e.Message));
            }
        }