You will need an internet connection in your mobile and your Phone should support Java Application.

• Download the application from the below link in your Mobile 

http://madcallgsm.tatadocomo.com/gsm_docomo_madcall/downloadapps.do?type=g

[Note: Dont download it in your Pc because the link might be not working in PC]

• Install the application in Your Java Supported Phone 
• Everyday you will get 1 min free Calling. During your 1st call to any number you will be asked for free call or paid call. Select free call and then they will play an advertisement Video. No need to watch that just dissconect and dial again.