Tinsukia: The National Investigating Agency (NIA) conducted searches in Delhi and Dimapur at the houses of Alemla Jamir alias James Jamir -- a member of steering committee of the NSCN-IM and a relative of Thuingaleng Muivah, the Naga insurgent group's general secretary -- on Monday.

According to a press release issued by the agency late on Monday, Jamir is alleged to be working for NSCN-IM and was detained at the T-1 terminus of IGI Airport in New Delhi with Rs 72 lakh cash by income-tax officials on December 17.

"Later, Alemla Jamir was arrested by the special unit of Delhi police on the same day, on charges of terror funding of NSCN (IM), wherein funds were being taken by the cash courier Alemla Jamir from Delhi to Nagaland on the instructions of Icrak Muivah, wife of Muivah, general secretary of NSCN-IM," the press release said.