CNN-IBN has cited anonymous sources to inform about the high alert.
The report also states the source as saying that security officials are on the look out for operatives of a terrorist organisation.
Late last night, Pakistan police acting on hints from the Interpol, arrested a man plotting to attack the World Cup venues. Pakistani Interior Minister Rehman Malik, has confirmed that the terror outfit, Taliban is now active in India and a massive terror attack may soon assail to mar the world cup fever.
Acknowledging the news of arrests of suspicious persons, Malik stated, "Let's not forget that terrorists have got no boundary or religion. There are several indications that the Taliban have started their activities in India."
Extending the helping hands towards India to nail the terror fear, Malik has also said, "I am saying this on record and I have also informed India. We must work together to stop the work of terrorists."