BUTWAL: The Commission for Investigation of Abuse of Authority (CIAA) on Wednesday arrested a staff of the District Survey Office in Bhairahawa with bribe money. According to the Commission, surveyor Narayan Prasad Chaudhary was caught red-handed with Rs 40,000 bribe money. According to Chief of the CIAA contact office in Butwal SP Umesh Raj Joshi, Chaudhary was arrested acting on a tip-off while he was taking amount from a service seeker from his rented room in Siddharthanagar Municipality-6.