1. Firstly Activate 3G Pack 80MB wala 3 Days for Rs.27
2. Uske Baad Rs.8 ka Night Unlimited Data Pack Rs.8 ka Activate Karwao
(Ussd Code Activate - *129* & Choose Night Pack & Again Choose Rs.8 Unlimited Pack)
3. Uske baad 10MB 3G Pack use karlo 12 Baje se pehle kabhi bhi
4. 11:50 PM mein Data ON karlo Whatsapp ka picture or videos download karte raho lagbhag 12:00 baje tak Data OFF mat karna warna 2G Speed ayegi
5. Now Send SMS Add < Another Airtel Number > To 121 before 12:00 AM
6. After 12:00 AM You will Get fully 3G Speed from this Trick :)
That's it & Enjoy