State-run Numaligarh Refinery Ltd(NRL), which is executing its capacity expansion project, has placed a Rs 300 crore order with thyssenkrupp plant engineering, an official said Wednesday.The NRL is expanding its existing 3 mmtpa capacity to 9 mmtpa at an investment of Rs 22,594 crore, which includes a 1,398 km-long crude oil pipeline from Odisha's Paradip to Assam's Numaligarh and a 654 km-long product pipeline from Numaligarh to West Bengal's Siliguri, the official said.According to the order, Germany-based thyssenkrupp will provide engineering, procurement and construction management (EPCM) services for various units of a refinery located at Numaligarh in the north-east region of India.The project is expected to be completed by 2024."This is another lighthouse project, which fits in with our aspiration to be a leading engineering company in India for the design and construction of petrochemical plants and refineries," said P.D. Samudra, CEO and Managing Director of thyssenkrupp's chemical plant business in the country.