<select name="fromcity" class="text" id="fromcity" onChange="MkHousefromValues(this.selectedIndex)">
<option value="">-- Please Select --</option>
<option value="Perviy">Perviy</option>
</select>
<select name="fromdistrict" class="text" id="fromdistrict">
<option value="Vtoroy">Vtoroy</option>
</select>
<form action="" data-container="city">
<select name="fromcity">
<option value="">-- Please Select --</option>
<option value="Perviy">Perviy</option>
</select>
<select name="fromdistrict">
<option value="Vtoroy">Vtoroy</option>
</select>
</form>
$(document).on('change', '[data-container="city"]', function (e) {
console.log(e.target);
console.log($(e.target.form).serialize());
});