SELECT `students`.*, CAST(students.roll_no AS SIGNED) as roll_num, `cbse_exam_students`.`id` as `exam_student_id`, `cbse_exam_timetable`.`id` as `cbse_exam_timetable_id`, `cbse_exam_students`.`roll_no` as `exam_roll_no`, `classes`.`class` as `class_name`, `sections`.`section` as `section_name`, `cbse_exam_timetable`.`cbse_exam_assessment_id` as `subj_cbse_exam_timetable_id`
FROM `cbse_exam_students`
JOIN `student_session` ON `student_session`.`id`=`cbse_exam_students`.`student_session_id`
JOIN `classes` ON `student_session`.`class_id` = `classes`.`id`
JOIN `sections` ON `sections`.`id` = `student_session`.`section_id`
JOIN `students` ON `students`.`id`=`student_session`.`student_id`
JOIN `cbse_exam_timetable` ON `cbse_exam_timetable`.`cbse_exam_id`=`cbse_exam_students`.`cbse_exam_id`
WHERE `cbse_exam_timetable`.`id` = '380'
ORDER BY `section_name` ASC, `roll_num` ASC