@foreach($subInfo as $index => $entry) @endforeach

{{ $sub }}
SL	Sub Code	Ex Code	Sl No	Ex Mark	Chng Mark	Litho
{{$index+1}}	{{$entry->subject_code}}	{{$entry->ex_code}}	{{$entry->seq_no}}	{{$entry->marks_obtained}}	{{$entry->marks_he}}	{{$entry->lithocode}}