Places that could be targeted as per the tip off are the Pragati Maidan, parts of Old Delhi and also the Delhi metro.
Official sources told rediff.com that terrorists were planning a series of attacks in New Delhi on November 14.
The plot was revealed following an anonymous call from Riyadh in Saudi Arabia. The caller said that there was some activity which suggested a possible attack was being planned in Delhi. An official in the Delhi police then went down to Riyadh and met with the caller who gave further details of the plot.
The details provided by the caller tallied with the ongoing investigations by the Delhi police, who have arrested a number of Indian Mujahideen operatives in the past couple of months. An officer with the Delhi police said that the IM operatives have had Delhi on their hit list.
After the latest inputs, police presence has been increased and metal detectors and CCTV cameras have been installed at important places in Delhi to avoid any untoward incident.
The Bihar module of the IM was formed with a plan of keeping an eye on Delhi after their modules in the capital was busted. The operatives in Bihar have been in touch with the Saudi modules and have been planning several attacks.