Please make sure you have enabled pin free dialing in your Dial91 account. Link - https://www.dial91.com/pinfree.aspx
To make a call you need not even open the application.
-> Go to your phone book(contact list).
-> Select the Indian phone number you want to call (Number should start with +91 or 91 and followed by 10 digits).
-> Select Yes on the pop up that appears. Call will be automatically routed through Dial91.
SR Rojer Kavin Ram _/\_