Follow the below steps to configure multiple magento websites

1) Create websites, stores, and store views in the Magento Admin

2) Create Apache virtual hosts.

Edit the file E:\xampp\apache\conf\extra\httpd-vhosts.conf

<VirtualHost *:80>
 ServerName phpcode.com
 DocumentRoot E:\xampp\htdocs\phpcode\pub
 </VirtualHost>

<VirtualHost *:80>
 ServerName in.phpcode.com
 DocumentRoot E:\xampp\htdocs\phpcode\pub
 SetEnv MAGE_RUN_CODE "india"
 SetEnv MAGE_RUN_TYPE "website"
 </VirtualHost>

3) Restart Apache.

4) Edit your vhost file(In my system its C:\Windows\System32\drivers\etc\hosts)

127.0.0.1 phpcode.com
127.0.0.1 in.phpcode.com

5) Verify the sites accessing the following URLs

phpcode.com
in.phpcode.com