This topic has been discussed before.
https://www.pakwheels.com/forumreply_az_TopicID!33205~ForumID!12~pw.html
So Cultus would be the choice if the price difference is not an issue. Also to further elaborate this topic please this Santro vs Cultus thread.
https://www.pakwheels.com/forumreply_az_TopicID!33237~ForumID!1~pw.html