New Delhi, Nov. 14 -- Rakesh Asthana, former Special Director of the CBI, who investigated the 2002 Godhra train burning, has rejected a passage in Sonia Gandhi's memoir 'Belonging: A Journey of Love' that calls the cause of the fire "disputed."

In an interview with ANI, Asthana said that the investigation into the incident had been completed and that forensic evidence had established the cause of the fire. He added that any continuing doubts about the findings were being raised "for political reasons."

In her memoir, Sonia Gandhi writes, "The riots were triggered when four coaches of the Sabarmati Express were set on fire and 59 pilgrims died. The train was returning to the state capital Ahmedabad from Ayodhya, carrying Hindu karsevaks...