public function setExpirationDate($observer)
    {

    	if($this->remainingdays != null) {
			$remainingdays = $this->remainingdays;
		} else {
		    $remainingdays = 0;
		}
		$order = $observer->getEvent()->getOrder();
    	foreach ($order->getAllItems() as $item)
		{

			$prdEntyId = $item->getData("product_id");
			$product = Mage::getModel('catalog/product')->load($prdEntyId);
			$prdAtrSetId = $product->getData("attribute_set_id");
			$trailOption = $product->getData("trialsubsription");
			$subLength = $product->getData("subscriptionlength");
			error_log("Values are : product id -->".$prdEntyId."Product Attribute set Id ->".$prdAtrSetId."Trail Option".$trailOption."Subscripion lenght->".$subLength);
			if($prdAtrSetId == '32' && $trailOption == '0')
					{
						$expiryDate = date('Y-m-d H:i:s', mktime(0, 0, 0, date("m") , date("d") + $subLength + $remainingdays, date("Y")));
						$quote = $observer->getEvent()->getQuote();
						$observer->getEvent()->getOrder()->setExpirationdate($expiryDate);
						$observer->getEvent()->getOrder()->setTrialsubsription($trailOption);
						error_log('coming upto order saved attributes');
						$quote->setExpirationdate($expiryDate);
						$quote->setTrialsubsription($trailOption);
						error_log('coming upto quote saved attributes');
						$order->save();

					}


		}

	  return $this;
	}