Noida Police file application for 7-day remand to question rebar-scrap businessman Ravi Kana. Kana and his friend Kajal Jha were arrested after deportation from Bangkok. Charges under Gangster Act invoked against Kana and 15 others for illegal activities in Noida, Greater Noida, and Ghaziabad. Kana to be questioned on businesses and extortion allegations before chargesheet filing.