Now, I am going to tell you killer trick to make free calls. It will work for all network operators like idea, airtel, aircel, vodafone, docomo, bsnl etc. Really speaking, this is not a trick but official offer from wheel washing powder. Only limitation is that you can make calls of maximum 2 minutes duration.
1) Call 1800-20-80-2080 and it will be disconnected automatically.
2) Within 1 minute, you will receive call from wheel asking for number which you want to dial.
3) Dial it using number pad and enjoy high quality call free for 2 minutes. You can use it multiple times to save your balance.
Please test this and comment below if it worked for you.