BPL Mobile have announced the support of BlackBerry Connect software for select Nokia, Motorola, Sony Ericsson and Asus phones. With the BlackBerry Connect software, users will be able to access BlackBerry services like BlackBerry Enterprise Server and BlackBerry Internet Service without the need for owning a Blackberry device. The list of phones is not huge but BPL Mobile makes sure they have covered the widely used business phones.

Click here for a complete list of handsets supported.
I THINK ITS 500MB AND NOT KB PLS CHECK
@Bharat: We thought the same initially but you can cross verify on the below link.
http://www.bplmobile.com/blackberry/ind_tariff.htm
It’s 500KB only