New Delhi, April 12 -- The 26/11 Mumbai terror attacks accused, Tahawwur Rana's arrival triggered a high-level security operation involving over 530 police and senior security personnel as he was transported from the airport to court and the National Investigation Agency (NIA) headquarters.

Rana was extradited from the United States and brought to India on Thursday evening.

According to official sources, Rana landed at Delhi airport at 6:22 PM aboard a U.S. military aircraft. In line with international legal norms, his shackles were removed before he disembarked. After completing formalities and a medical check-up, he was taken straight to the Patiala House Court under a multi-layered security cover.

The high-security transfer involved...