public function update($id)
{
   $records = Register::find($id);
   return view('updatedata',['records' => $records]);
}

@extends('layout/master')
@section('content')
<h1 align="center">

@foreach($records as $records)
{!!  Form::open(['route'=>'f.update'])   !!}
<table border="2" align="center">
  <tr>
     <td>{!! Form::label('name','Name') !!}</td>
       <td>{!!  Form::text('name',$records->name) !!}</td>
    </tr>
    <tr>
       <td>{!!Form::label('phone','Phone')!!}</td>
       <td>{!! Form::text('phone',$records->phone) !!}</td>
    </tr>
    <tr>
       <td>{!! Form::label('email','E-mail') !!}</td>
       <td>{!! Form::email('email',$records->name) !!}</td>
    </tr>
    <tr>
       <td>{!! Form::label('course','Course') !!}</td>
       <td>{!! Form::select('course',['MCA'=>'MCA','BTECH'=>'BTECH','BCA'=>'BCA'],$records->course)                                               !!}</td>
    </tr>
    <tr>
       <td>{!! Form::label('address','Address') !!}</td>
       <td>{!! Form::textarea('address', $records->address, ['size' => '30x3']) !!}</td>
    </tr>
    <tr>
      <td colspan="2">
        {!! Form::hidden('id',$records->id) !!}
      </td>
    </tr>
    <tr>
       <td colspan="2" align="center">{!!  Form::submit() !!}</td>
    </tr>

</table>

{!!  Form::close()                                    !!}
@endforeach
</h1>
@endsection

$record = Register::find($id);

$records = Register::whereIn('id', [1, 2, 3])->get();

// controller
public function update($id)
{
    $record = Register::findOrFail($id);
    return view('updatedata', compact('record'));
}

// view
@extends('layout/master')

@section('content')
    {!!  Form::open(['route' => ['f.update', $record->id]])   !!}
        <table border="2" align="center">
          <tr>
             <td>{!! Form::label('name','Name') !!}</td>
               <td>{!!  Form::text('name', $record->name) !!}</td>
            </tr>
            <tr>
               <td>{!!Form::label('phone','Phone')!!}</td>
               <td>{!! Form::text('phone', $record->phone) !!}</td>
            </tr>
            <tr>
               <td>{!! Form::label('email','E-mail') !!}</td>
               <td>{!! Form::email('email', $record->name) !!}</td>
            </tr>
            <tr>
               <td>{!! Form::label('course','Course') !!}</td>
               <td>{!! Form::select('course', ['MCA'=>'MCA','BTECH'=>'BTECH','BCA'=>'BCA'], $record->course) !!}</td>
            </tr>
            <tr>
               <td>{!! Form::label('address','Address') !!}</td>
               <td>{!! Form::textarea('address', $record->address, ['size' => '30x3']) !!}</td>
            </tr>
            <tr>
              <td colspan="2">
                {!! Form::hidden('id', $record->id) !!}
              </td>
            </tr>
            <tr>
               <td colspan="2" align="center">{!!  Form::submit() !!}</td>
            </tr>
        </table>
    {!!  Form::close() !!}
@endsection