A high alert has been in Assam in view of the banned ULFA's foundation day on April seven next.

"A high alert has been sounded to thwart possible atacks by the ULFA in the run up to the foundation day", the police said here today.

Security has been tightened throughout the state, particulary vulnerable ULFA dominated areas of upper Assam and lower Assam's Dhubri district and entry and exit points of important towns sealed, they said.

The police said that as per intelligence inputs, the ULFA cadres were planning to indulge in subversive activities prior to the foundation day to make its presence felt.

The oufit has also embarked on a "massive recruitment" drive and some of them are on way to the state after receving arms training in Myanmar, the police said.

There are also reports of the ultras planning attacks on informers of police for which extra precaution has been taken.

State police DGP Jayanta Narayan Choudhury has appealed to the people to inform the authorities about any extortion threats and said growing opposition to the outfit by the common man was a "positive trend".

Incidentally Prime Minister Dr Manmohan Singh is scheduled to visit Guwahati on April seven to inaugurate the platinum jubilee celebration of the state assembly.

The ULFA was formed on April seven 1989 in Ronghar in Sibsagar district of Assam