India, Feb. 7 -- India is in touch with American authorities to work out modalities for the extradition of terror convict Tahawwur Rana, a key accused in the 2008 Mumbai terror attacks, following the US Supreme Court's rejection of his appeal, foreign secretary Vikram Misri said on Friday.

The US Supreme Court denied Rana's petition against his extradition on January 21, paving the way for him to be sent to India, where he is wanted by the National Investigation Agency (NIA) for his role in planning and executing the terror attacks in Mumbai by Pakistan-based Lashkar-e-Taiba (LeT) that killed 166 people.

Rana, a Canadian citizen of Pakistani-origin, had earlier unsuccessfully appealed against his extradition in lower courts in the US. F...