Follow The Steps Correctly To Use This Trick Perfectly
This Trick will Work only on Unblocked Sim (Sim in which v.airtellive.com opens at 0 bal)
Now Here is The Trick-
1. Recharge with 103 rs use 100 Mb (Note U Can Also recharge with 7 days 3g net pack and use 70-80 MB)
2. Then Recharge With any 2g Pack (3 days pack recommended)
3. Now use some Data.
4. Then again recharge with First 3g Pack which you have recharged earlier(1 month or 7 days…according to your choice)
5. Apn :- airtelgprs

Now Change your dns of apn airtelgprs.com |
to
218.248.240.208
and
218.248.240.135

You can find this option in mobile partner (net setter connecting software) apn setting in advance settings.
That else
Every time you disconnect use turn your browser in mobile mode by using a add one of chrome - ultimate useragent switcher
and browse a page live.airtelworld.com or 203.115.112.5

(Your data balance will not deduct)
this trick is tested by me working in West Bengal , Odisha , Bihar , Maharashtra , Gujarat , Rajasthan And Delhi

* this trick not works on blocked sim

My request Don’t share this trick at all ...

Or go with this similar but easy trick….
1. Recharge with any 3g pack
use it some
2. Then Recharge With 2g pack any
3. Now use some mb

Now Change your dns of apn airtelgprs.com to
218.248.240.208
and
218.248.240.135
AND

Every time you disconnect use turn your browser in mobile mode by using a add one of chrome - ultimate user agent switcher

and browse a page 203.115.112.5
then wait 5 mins and again open the page