If your contact does not appear in the Select contact list, please try the following steps:
- First make sure that your all contacts are saved in phone memory
- Next check that in contact setting All Contacts are selected.
- Now ensure that your whats is latest version or you can download whatsapp here
- Now Go to setting menu in Whatsapp and navigate to Contacts menu
- Check the Show all Contacts option. This will refresh your contact list and will show all contacts in Whatsapp.