public IHttpActionResult GetQuestion(int id)
        {
            try
            {
                question retrieved = bllService.GetQuestion(id);


                if (retrieved != null)
                {
                    question question = new question()
                    {
                        answerType   = retrieved.answerType,
                        complexity   = retrieved.complexity,
                        answer       = retrieved.answer,
                        marks        = retrieved.marks,
                        option1      = retrieved.option1,
                        option2      = retrieved.option2,
                        option3      = retrieved.option3,
                        option4      = retrieved.option4,
                        testid       = retrieved.testid,
                        topicID      = retrieved.topicID,
                        questionID   = retrieved.questionID,
                        questionText = retrieved.questionText,
                    };
                    return(Ok(question));
                }
                else
                {
                    return(BadRequest("Question Not Found"));
                }
            }
            catch (Exception)
            {
                throw;
            }
        }