SO. 31110344 [Answer]

How to get input-group-addons side to input. Bootstrap

HTML

<fieldset>
    <div class="form-group col-xs-6">
        <div class="col-xs-12 input-group">
            <select class="form-control" id="excel-select"></select>
            <span class="input-group-addon">
                <a href="#" boxId="pickExcelBox" class="info">
                    <span class="glyphicon glyphicon-question-sign">
                    </span>
                </a>
            </span>
        </div>
    </div>
    <div class="form-group col-xs-6">
        <div class="col-xs-12 input-group">
            <select class="form-control" id="f-glossary-select"></select>
            <span class="input-group-addon">
                <a href="#" boxId="chooseGlosCat" class="info">
                    <span class="glyphicon glyphicon-question-sign">
                    </span>
                </a>
            </span>
        </div>
    </div>
    <div class="form-group col-xs-6">
        <div class="col-xs-12 input-group">
            <span class="input-group-addon">
                <span class="glyphicon glyphicon-tags"></span>
            </span>
            <input type="number" min="0" step="1" class="form-control" id="processIDColumn" placeholder="ProcessID-Column" />
            <span class="input-group-addon">
                <a href="#" boxId="processIDColumnBox" class="info">
                    <span class="glyphicon glyphicon-question-sign"></span>
                </a>
            </span>
        </div>
    </div>
    <div class="form-group col-xs-6">
        <div class="col-xs-12">
            <input type="text" class="form-control" name="mobile" id="mobile" placeholder="enter mobile number" title="enter your mobile number if any." />
        </div>
    </div>
    <div class="form-actions col-xs-6">
        <div class="col-md-offset-2 col-md-4">
            <button class="btn btn-sm btn-success" type="submit">
                <i class="glyphicon glyphicon-ok-sign"></i>
                Register
            </button>&nbsp; &nbsp;
           ...

CSS

.control-label {
     text-align:left !important;
 }