The banned United Liberation Front of Asom is planning strikes ahead of March 16, which it calls its "army day", intelligence sources claimed in Guwahati on Tuesday.

ULFA has planned a series of strikes on securitymen and public installations on that date, the day the insurgent outfit "raised its own army" in 1979, the sources said.

Cadres have fanned out to remote areas and have planned bomb and grenade attacks in various parts of the state, they said.

Usually, the outfit marked the day in "a big way", but following the Bhutan operations, the occasion has been made a low key affair, sources said.

However, the day will be observed in various camps of the outfit in the jungles of Bangladesh and Myanmar.

Meanwhile, the Assam police has confirmed receipt of intelligence reports and have tightened security.

Refusing to divulge the details of security measures, a top police official said the extremists outfit's effort to destabilise the state would be thwarted.