^^ Yeap, its 100% confirmed.. let me show you one Ad from Local News Paper and Then Let me convert it into English.
Now, The Ad says -
Download Double in this Diwali.... BSNL announce Diwali's Double Bonus...
Double your Download Quota paying giving a penny more...
This applies for those customers who are being BSNL Broadband users since past 6 months or more...
You will be able to download double of your Broadband Plan's Download limit...
It has been confirmed.. I've also asked in BSNL office here.. So Enjoy