What does SI stand for?

He also mentioned that following a series of surveillance and intelligence operations, police have brought under tight control the potential ways used by traffickers for smuggling .

The operation followed months of surveillance and intelligence gathering by detectives from the force's Economic Crime Unit.

Top brass of Nalco led by CMD CR Pradhan, who reviewed the security with top officials of State police and CISF, has been looking into upgradation of security network in and around the Nalco mine which include three-tier fencing of the mine area, erection of watchtowers at different points, uninterrupted power supply, bulletproof jackets for security personnel, digging of bunkers in sensitive pockets and tightening of internal and external surveillance and intelligence to prevent further attacks.

Following a year of surveillance and intelligence gathering, police stormed into the homes of the "significant players" believed to be supplying class A drugs in the area.

The effective deployment of the unmanned aerial vehicle is able to transform a small tactical unit into an all-seeing machine of war, while supplying aerial surveillance and intelligence that can keep patrols and convoys out of harm's way.

Yesterday, Blunkett revealed Special Branch would get an extra pounds 15million to boost bugging, surveillance and intelligence gathering.

``These are highly sophisticated operations and the raids were the result of long-term surveillance and intelligence operations.

IEWS is a producer of defense electronic protection systems and tactical surveillance and intelligence systems.