The National Investigation Agency (NIA), in operations conducted with the support of Jharkhand Police, has seized a large number of explosives, arms and ammunition from the state in the People''s Liberation Front of India (PLFI) terror funding case over the past two days, the agency said on Wednesday.The seizure was made from Khunti, Gumla and Simdega districts of Jharkhand on Monday and Tuesday based on disclosures made by Dinesh Gope, self-styled supremo of PLFI who was arrested by the NIA on May 21.