Larsen & Toubro on Tuesday said that its Heavy Engineering business vertical has won multiple orders in the domestic and international markets. L&T Heavy Engineering (HE)’s Modification, Revamp and Upgrade (MRU) business segment has bagged a major order from a key oil and gas customer in KSA for their important debottlenecking project. For the last couple of years, MRU business has concentrated on Middle East opportunities and this order is an important milestone for MRU business in the Middle East, the company said in a regulatory filing.