public function getColdChainAssetDetailAction()
{
$district = $this->_request->getParam('district', '');
$tehsil = $this->_request->getParam('tehsil', '');
$type = $this->_request->getParam('type', '');
$geoModel = new Model_Geo();
if ($district != "") {
$return = $geoModel->getColdChainAssetDistrict($district, $type);
} else {
$return = $geoModel->getColdChainAssetTehsil($tehsil, $type);
}
echo Zend_Json::encode($return);
}