Mumbai, Apr 1 : Ahead of Saturday''s World Cup final between India and Sri Lanka, security officials took their final positions in and around the Wankhede Stadium in Mumbai on Friday.

Strict surveillance of all visitors and officials at the stadium was being carried out at the entry gate of the stadium.

Apart from Mumbai police, teams of National Security Guards, Maharashtra''s elite Force One, Rapid Action Force, State Reserve Police Force and Quick Response Team are maintaining strict vigil at the stadium.

Mumbai police has banned bulk SMSes till end of Saturday''s final.

Airspace over and around stadium has been declared ''No Flying Zone''. Over 180 CCTVs have been installed by the stadium authorities inside and outside the stadium, and a special police control room has been set up to keep a watch on the spectators.

Helicopters for surveillance, Marine Commandos and Indian Naval Base in South Mumbai will be on standby. All entry points from the sea will be sealed on the day.

A multi-layer security will be in place around two-km radius area of the stadium during the match. Outside food items will not be allowed in the stadium.

Police are also worried that a "chemical bomb" could be used by the terrorists, so the water bottles from outside would not be allowed at the match, a police official said on the condition of anonymity.

Security has also been beefed up ashore with additional check points and manning of boat landing areas.

In addition to coastal security, the Indian navy has also enhanced its surveillance and patrolling in and around the Offshore Development Area.

Cricket fans who came to buy tickets for the final said the security arrangements seemed in place.

"Nice arrangement over here, everything seems perfect. Everything is there properly and good arrangement of commandos," said Vinod Newar.

However, officials refused to comment on the arrangements, keeping in view the sensitivity of the information.

President Pratibha Patil and her Sri Lankan counterpart Mahinda Rajapaksa will watch the match at the 32,000-capacity Wankhede Stadium. (ANI)