The case pertains to the recovery of Fake Indian Currency Notes (FICN) having a face value of Rs 2,48,500. New Delhi: The National Investigation Agency (NIA) on Wednesday conducted multi-state searches as part of its probe in a fake Indian currency recovery case in Bihar, officials said.A total of eight locations -- two in Aurangabad and three in Bihar s Gaya Ji, two locations in Jharkhand s Hazaribagh and one in West.