Air India chief Campbell Wilson said the order for 470 planes is one of the largest single order by any airline, anywhere, ever, and the carrier has secured a number of options and purchase rights; "searches" at the BBC's offices in Delhi and Mumbai continued for the second straight day on February 15 as income tax officials investigated UK's national broadcaster. The "searches" come weeks after the BBC aired a documentary on Prime Minister Narendra Modi and the 2002 Gujarat riots; Karnataka BJP chief Nalin Kumar Kateel, known for his controversial comments, has asked people to "kill" all "ardent followers" of Tipu Sultan, the 18th century ruler of Mysuru. The descendants of Tipu Sultan, he has declared, should be chased out and sent to forests.