@foreach($changedResult as $index => $info) @endforeach

SL	C_Code	Roll No	Subject Name	Previous Ltr Grade	Current Ltr Grade	Previous GPA	Current GPA
{{(($index > 0 && $changedResult[$index-1]->r != $info->r) || $index == 0) ? $info->r : ""}}	{{$info->center_code}}	{{$info->roll_no}}	{{$info->subject_name}}	{{$info->before_rescrutinized_letter_grade}}	{{$info->letter_grade}}	{{$info->before_rescrutinized_cgpa_obtained != ".00" ? $info->before_rescrutinized_cgpa_obtained : ""}}	{{$info->cgpa_obtained != ".00" ? $info->cgpa_obtained : ""}}