public ActionResult MarkAttendance(List <StudentAttendance> attendances, int batchId, int subjectId, int sessionId)
        {
            //Please make sure we are getting all data if not set in js file.
            var result = NidanBusinessService.MarkAttendance(UserOrganisationId, UserCentreId, UserPersonnelId, attendances, batchId, subjectId, sessionId);

            return(this.JsonNet(result));
        }