Reliance has announced a new “Unlimited BBM” plan for its pre-paid and post-paid subscribers in India. Apart from the unlimited BBM usage, Reliance also offers 600 local and national SMS per month.

Idea recently launched the new “Only BBM 99″ plan. This service allows the Idea subscribers to use unlimited BBM service on their BlackBerry smartphones.

BBM Canada alleges trademark infringement by Research in Motion, with use of BBM acronym.