<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:ObjectManager/etc/config.xsd">
    <preference for="Magento\Catalog\Pricing\Render\FinalPriceBox" type="Darsh\Callforprice\Block\Callforprice" />
    <preference for="Magento\Catalog\Pricing\Render" type="Darsh\Callforprice\Block\Render" />
</config>