$('#city').on('change',function(){
                 var branchName=  $('#city option:selected').html();
                 $('#branchSel').html('<span><b>Branch Name: </b></span>'+branchName).addClass("appear");
                 var stateName=  $('#state option:selected').html().toLowerCase();
                 var countryName=  $('#country option:selected').html().toLowerCase();
                 countryName = countryName.replace(/s+/g, '-');
                 stateName = stateName.replace(/s+/g, '-');
                 branchName = branchName.replace(/s+/g, '-').toLowerCase();
                    var cityID = $(this).val();
                        if(cityID){
                        window.history.pushState('', '', '<?php echo base_url($bank_rename.'/ifsc-code'); ?>/'+countryName+'/'+stateName+'/'+branchName);
                        $.ajax({
                            type:'POST',
                            url:'<?php echo base_url('bank/getBranchDetail'); ?>',
                            data:'city_id='+cityID,
                             success:function(data){
                                $('#dataDisplay').remove();
                                $('#ifsc').html("").removeClass("appear");
                                $('#micr').html("").removeClass("appear");
                                $('#contact').html("").removeClass("appear");
                                $('#address').html("").removeClass("appear");
                                var dataObj = jQuery.parseJSON(data);
                                    $(dataObj).each(function(){
                                        var ifsc = $('#ifsc').html("<span><b>IFSC Code: </b></span>");
                                        var micr = $('#micr').html("<span><b>MICR Code: </b></span>");
                                        var contact = $('#contact').html("<span><b>Contact No: </b></span>");
                                        var address = $('#address').html("<span><b>Address: </b></span>");
                                        ifsc.append(this.ifsc_code).addClass("appear");
                                        var ab= this.ifsc_code;
                                        micr.append(this.micr_code).addClass("appear");
                                        contact.append(this.contact_no).addClass("appear");
                                        address.append(this.address).addClass("appear");
                                        $('#branch_code').html('<span><b>Branch Code: </b></span>Last six characters of IFSC Code represent Branch code.');

                                    });
                            }
                        });
                        }else {
                           window.history.pushState('', '', '<?php echo base_url($bank_rename.'/ifsc-code'); ?>/'+countryName+'/'+stateName);
                           $('#dataDisplay').html('Select State, District, Branch Name to Display Details Here');
                           $('#branch_code').html("").removeClass("appear");
                           $('#ifsc').html("").removeClass("appear");
                           $('#micr').html("").removeClass("appear");
                           $('#contact').html("").removeClass("appear");
                           $('#address').html("").removeClass("appear");
                        }
                });
        });

<td><p id="ifsc"></p></td>

public function getBranchDetail(){
    $branch = array();
    $city_id = $this->input->post('city_id');
    if($city_id){
        $con['conditions'] = array('id'=>$city_id);
        $branchData = $this->Bank_model->getBranchData($con);
    }
    echo json_encode($branchData);
}

function getBranchData($params = array()){
    $this->db->select('c.micr_code, c.ifsc_code, c.contact_no, c.address');
    $this->db->from($this->branchTbl.' as c');

    //fetch data by conditions
    if(array_key_exists("conditions",$params)){
        foreach ($params['conditions'] as $key => $value) {
            if(strpos($key,'.') !== false){
                $this->db->where($key,$value);
            }else{
                $this->db->where('c.'.$key,$value);
            }
        }
    }

    $query = $this->db->get();
    $result = ($query->num_rows() > 0)?$query->result_array():FALSE;

    //return fetched data
    return $result;
}