N
$decided_fee = $this->input->post('decided_fee');
$decided_fee_id = $this->input->post('decided_fee_id');
$count = count($decided_fee);
for ($i=0; $i<$count; $i++)
{
$this->db->where('id', $decided_fee_id[$i]);
$this->db->update('decidecd_fee ', array('decided_fee'=>$decided_fee[$i]));
}