A team of Indian investigators to interrogate 26/11 Mumbai attacks mastermind David Coleman Headley today. <br/>The team arrived in US, comprises officers of the National Investigation Agency and a law officer. This will be for the first time that 49-year-old Pakistani-American Headley will be facing direct questions from Indian investigators since his arrest in October last year.<br/><br/>Besides the Indian team, those expected to be present during the questioning will be Headley's lawyer and an officer of the FBI. <br/><br/>Sources in India said the four-member team has prepared questions about his stay in the country especially during March 2009, his last visit to India. <br/><br/>The statement of Headley will be recorded by the Special Law Officer of India after which the National Investigating Agency (NIA,) which has registered a case against Headley and Pakistani-Canadian national Tahawwur Rana for waging war against the country and Unlawful Activities Prevention Act, may file a charge sheet against him. <br/>Headley, a Chicago-based American with roots in Pakistan, has already confessed to have conducted several recces as part of the planning for the ghastly attacks that killed 166 people in Mumbai in November 2008.<br/><br/>After being arrested in October last year, the 49-year old entered into a plea bargain with the US government in March this year, wherein he offered to be available to foreign investigators through deposition, video conferencing or letters rogatory.<br/><br/>However, further details like for how many hours or days the Indian team would get access to Headley are not yet given.<br/> <br/>