More than 16 years after the 26/11 Mumbai terror attacks left the country in a state of shock, dismay and anger, Tahawwur Hussain Rana, a key accused in the case, has finally been extradited from the US to India. The 64-year-old Canadian citizen of Pakistani origin, landed in Delhi in a special plane from Los Angeles Thursday evening. A special court subsequently remanded him in the custody of the National Investigation Agency for 18 days. There are several questions that he may face on his role in the Mumbai attack.