Information: - The Vickers MBT is a series of main battle tanks ( MBTs ) developed as a private venture by Vickers - Armstrongs for export . The design makes use of proven components such as the L7 gun of the Centurion , and the Leyland L60 multi-fuel engine , transmission and fire control system of the Chieftain . A large number of tanks were also built by India under licence as the Vijayanta . - Avadi is a suburb city of Chennai and a municipality in Thiruvallur in the state of Tamil Nadu, India. Situated about 25km west of Chennai, it is surrounded by major defense establishments. The neighborhood is served by Avadi Railway Station of the Chennai Suburban Railway. As of 2011, the town had a population of 345,996. The Heavy Vehicles Factory (HVF) is located in Chennai Avadi. - The Indian Army is the land-based branch and the largest component of the Indian Armed Forces. The President of India serves as the Supreme Commander of the Indian Army, and it is commanded by the Chief of Army Staff (COAS), who is a four-star general. Two officers have been conferred with the rank of field marshal, a five-star rank, which is a ceremonial position of great honour. The Indian Army originated from the armies of the East India Company, which eventually became the British Indian Army, and the armies of the princely states, which finally became the national army after independence. The units and regiments of the Indian Army have diverse histories and have participated in a number of battles and campaigns across the world, earning a large number of battle and theatre honours before and after Independence. - Sir W G Armstrong Whitworth & Co Ltd was a major British manufacturing company of the early years of the 20th century. With headquarters in Elswick, Newcastle upon Tyne, Armstrong Whitworth engaged in the construction of armaments, ships, locomotives, automobiles and aircraft. - The Heavy Vehicles Factory (HVF) is located at Avadi in Chennai in the Indian state of Tamil Nadu. - Vickers Limited was a significant British engineering conglomerate that merged into Vickers-Armstrongs in 1927. - The Vijayanta (en: "Victorious") was a main battle tank built in India based on a licensed design of the Vickers Mk.1. The Vijayanta was the first indigenous tank of the Indian Army. The prototype was completed in 1963 and the tank entered service in 1965. The first 90 vehicles were built by Vickers in the UK. Production continued at the Heavy Vehicles Factory in Avadi until 1983 with 2,200 being built (other sources give much lower numbers: 1,600-1,800). A number of the tank hulls were converted to other uses such as self-propelled guns after being withdrawn from service. The Vijayanta has been supplanted by the T-72M1 in Indian service. - Vickers was a famous name in British engineering that existed through many companies from 1828 until 1999. - Vickers plc was the remainder of Vickers-Armstrongs after the nationalisation of three of its four operating groups: aviation (as a 50% share since 1960 of British Aircraft Corporation (BAC) in 1977), shipbuilding (Vickers Limited Shipbuilding Group in 1977) and steel. It was purchased by Rolls-Royce plc in 1999, and the Vickers company name became defunct in 2004. - Vickers-Armstrongs Limited was a British engineering conglomerate formed by the merger of the assets of Vickers Limited and Sir W G Armstrong Whitworth & Company in 1927. The majority of the company was nationalised in the 1960s and 1970s, with the remainder being divested as Vickers plc in 1977. After reading the paragraphs above, we are interested in knowing the entity with which 'vickers mbt' exhibits the relationship of 'manufacturer'. Find the answer from the choices below. Choices: - armstrong whitworth - avadi - british aircraft corporation - east india company - heavy vehicles factory - vickers - vickers plc
A:
vickers plc