Kochi, June 13 - The National Investigation Agency, probing the case relating to the chopping off the hand of a college lecturer in Kerala July last year has arrested one more accused in the case.Naushad, arrested from nearby Aluva yesterday, was produced before CBI Special Judge S Vijay Kumar today and remanded to five days NIA custody.This is the first arrest after the NIA began probing the case. Naushad has been accused of aiding the main accused in the crime.NIA, which has already filed chargesheet in the case, had taken over the investigation from local police which had listed 54 accused in the case of which 27 were chargesheeted and 27 others are absconding