public async Task <ServiceResponse <string> > CustomerOperation(CustomerModel Model)
        {
            var           objSR = new ServiceResponse <string>();
            CustomerModel CM    = new CustomerModel();

            try
            {
                int result = bal.CustomerOperation(Model);
                if (result > 0)
                {
                    objSR.StatusCode = 1;
                    objSR.Messages.Add(Model.FirstName + " is succesfully saved as Customer.");
                }
                else
                {
                    objSR.StatusCode = 2;
                    objSR.Messages.Add("There is some issue while saving the Customer.");
                }
            }
            catch (Exception ex)
            {
                objSR.StatusCode = 2;
                objSR.Messages.Add("Error occurred while login, " + ex.Message);
            }
            return(await Task.Run(() => objSR));
        }