Here's the list of apps that topped at the Ovi store last week. The popularity of these apps is based on users in India. Check them out.
Call & SMS Filter for s60
In some situations you can’t or don’t want to take a call. Choose how CSF should respond for you.
VibrateCall is a healthy application for Symbian. By using VibrateCall, you don't need to put your phone near your head during connecting time.