verN -
The <option>s in your example don't have any values. You need to assign values to them, like this:
<select name="ktitle" id="ktitle">
<option value="">Select</option>
<option value="1">Dr</option>
<option value="2">Professional</option>
</select>
The value attribute is what gets submitted as the value of that form control via GET or POST. You don't have to use numbers; you can use whatever you like.
As for ensuring that a selection is made, are you doing this client-side (in JavaScript) or server-side (in PHP)? Can we see your code?