MUMBAI: The city Anti-Corruption Bureau (ACB) on Monday laid a trap and arrested a sub-engineer and a junior engineer for demanding bribe of Rs 2.5 lakh to issue an NOC for water connection in a newly redeveloped building at Byculla. The ACB sources said they nabbed Sachin Khodde (39), sub-engineer and Shivshankar Shinde (28), a junior engineer, working at the BMC’s E ward. In a separate incident, the ACB officials caught red-handed Udas Tulse (48), the deputy chief vigilance officer of state’s Dairy Development department for accepting a bribe of Rs 10,000 for not taking action against a milk seller.