Research In Motion (RIM) has announced an increase of 31% in its net income, which stood at $934 million for the quarter ended February 26, 2011.

Canada-based company said that sturdy sales of BlackBerry smartphones drove the company's profit.

During the same period of 2010, RIM's net income remained at $710 million.

The company said that its total revenue surged 36% to $5.55 billion for the three month period under review as against $4.08 billion suing the same period of 2010.

During the fourth quarter, RIM shipped approximately 14.9 million BlackBerry smartphones for 52.3 million smartphones in fiscal year 2011.

RIM's net income for the fiscal 2011 remained at $3.4 billion, up 47% over previous fiscal.

RIM Co-CEO Jim Balsillie stated, "We are pleased to report record shipments and financial performance in fiscal 2011."

"As we enter fiscal 2012, RIM is in an excellent position to benefit from the continuing convergence of the mobile communications and mobile computing markets. We are laying a strong foundation for RIM's expanding market opportunity through focused investments and we are extremely excited about our smartphone, tablet and platform road maps," Balsillie added.

Looking ahead, RIM anticipates revenue to be in the range of $5.2 billion-$5.6 billion during the upcoming quarter.