New Delhi, Dec 13 (IANS): Bollywood megastar Amitabh Bachchan has lent his baritone to soul-stirring words penned by Prasoon Joshi in "13 December", a documentary made for the 10th anniversary of the terrorist attack on the Indian parliament.

The documentary, to be aired on India TV Tuesday, traces the planning and execution of the terror attack, in which five heavily armed gunmen stormed the parliament house complex and opened indiscriminate firing, killing nine people on the spot.

Joshi's words are dedicated to the iron will and strong determination of the Indian security men who fought off the attack, said a press statement.

"The screenplay is based on the deposition made by the conspirators before the police and documents and evidences placed before the courts. The film outlines the contours of the plan prepared by Jaish-e-Mohammed and the execution of conspiracy by Afzal Guru and five Pakistani terrorists, who were killed in the encounter, outside the parliament house," the statement further said.

M.G. Shastry has made this film, which has been shot in different locales in Delhi, Jammu, Srinagar and other parts of the Valley.