Larsen & Toubro (L&T) has received an order worth Rs Rs 542 crore from Indian Oil Corporation (IOC).According to a release issued by L&T to the BSE today, the order is for the Motor Spirit Quality (MSQ) Upgradation Unit, comprising a Light Naptha Hydrotreating unit, Isomerisation unit, Reformer Splitter and associated utilities and offside facilities (EPCC-1), to meet the Euro IV norms. The unit is located at IOC's refinery in Panipat at Haryana, India.This prestigious order comprises the Residual Process Design, Detailed Engineering, Procurement, Supply, Transportation, Storage, Fabrication, Inspection, Construction, Installation, Testing, Mechanical Completion, Pre-Commissioning, Commissioning, and Performance Guarantee Test Runs for the said project, the release added.