$ cat mydata.dat
model;location;pollgrp;ifindex;contact;ip;parttype;devtype;part;ifmtu;dwelf
.1.3.6.1.4.1.9.1.1047;abc;PG_CISCO4;3;;10.10.10.1;Interface;Router;GigabitEthernet0/1;1520;
.1.3.6.1.4.1.9.1.2047;;PG_ABCD4;3;LMN;20.20.20.1;;Router;;2345;
.1.3.6.1.4.1.9.1.3047;xyz;;;;;;route;;;xxxx
$ cat runme.sh
#!/bin/bash

MY_HEADER="model;location;pollgrp;ifindex;contact;ip;parttype;devtype;part;ifmtu;dwelf"
for line in `cat mydata.dat`
do
   for i in {1..11}
   do
      THIS_FIELD=`echo $MY_HEADER | cut -d";" -f$i`
      THIS_VALUE=`echo $line      | cut -d";" -f$i`
      printf "%15s" "${THIS_FIELD}: "
      echo "|${THIS_VALUE}|"
   done
   echo " "
done

$ ./runme.sh
        model: |model|
     location: |location|
      pollgrp: |pollgrp|
      ifindex: |ifindex|
      contact: |contact|
           ip: |ip|
     parttype: |parttype|
      devtype: |devtype|
         part: |part|
        ifmtu: |ifmtu|
        dwelf: |dwelf|

        model: |.1.3.6.1.4.1.9.1.1047|
     location: |abc|
      pollgrp: |PG_CISCO4|
      ifindex: |3|
      contact: ||
           ip: |10.10.10.1|
     parttype: |Interface|
      devtype: |Router|
         part: |GigabitEthernet0/1|
        ifmtu: |1520|
        dwelf: ||

        model: |.1.3.6.1.4.1.9.1.2047|
     location: ||
      pollgrp: |PG_ABCD4|
      ifindex: |3|
      contact: |LMN|
           ip: |20.20.20.1|
     parttype: ||
      devtype: |Router|
         part: ||
        ifmtu: |2345|
        dwelf: ||

        model: |.1.3.6.1.4.1.9.1.3047|
     location: |xyz|
      pollgrp: ||
      ifindex: ||
      contact: ||
           ip: ||
     parttype: ||
      devtype: |route|
         part: ||
        ifmtu: ||
        dwelf: |xxxx|