Hindustan Machine Tools factory headquarter is located in Bangalore.

Heavy machinery was set up at Ranchi in Jharkhand. The plants in Ranchi produce castings, forgings, and rolls to meet the requirements of heavy machine tools and heavy machine-building plants.

Pawanhans Helicopters Ltd.

• The metal which is used as a raw material for the manufacture of heavy machinery is iron. Manufacturing of heavy machinery, equipment and bulk tools fall under heavy machinery.
  
• Iron and steel industry is a very good example of heavy industry all most all the manufacturing process involves use of iron and steel like shipbuilding, manufacture of trains, trucks etc. It is often referred to as backbone of modern industry.
  

Chittaranjan is located in West Bengal. It is famous for Chittaranjan Locomotive Works, which manufactures mainline electric broad gauge locomotives.

• National Aviation Company limited is a merger of Air India and Indian Airlines. This was merged according companies act 1956, in the year 2007 on 27^th August.
  
• Under completion of merger now exists only one primary airline called Air India providing regional and low cost point to point services.
  

• Diesel locomotive works is located in Varanasi which produces diesel-electric locomotives and its spare parts. This company was founded in 1961. It was founded by Indian Railways.
  
• Besides the Indian Railways, it regularly exports diesel-electric locomotives and has supplied locomotives to other countries such as Sri Lanka, Malaysia, Bangladesh, Mali.
  

The Diesel Locomotive Works (DLW) in Varanasi, India, is a production unit owned by Indian Railways, that manufactures diesel-electric locomotives and its spare parts. it was founded in 1961.

• Heavy electrical equipments in India are manufactured by BHEL. BHEL stands for Bharat heavy electrical limited. It is owned by government of India. The company is based in New Delhi and is established in the year 1964.
  
• It has been granted the prestigious Maharatna status in 2013 for its outstanding performance.
  
• BHEL is engaged in the design, engineering, manufacturing, construction, testing, and servicing of a wide range of products and services for the core sectors of the economy, like power, transmission, industry, transportation, renewable energy and defence.
  

• Among the given options in India, locomotive manufacturing plant is located in Varanasi. Diesel locomotive works is located in Varanasi which produces diesel-electric locomotives and its spare parts. This company was founded in 1961. It was founded by Indian Railways.
  
• Besides the Indian Railways, it regularly exports diesel-electric locomotives and has supplied locomotives to other countries such as Sri Lanka, Malaysia, Bangladesh, and Mali.
  

• A state enterprise in India is called a public sector enterprise. It should be owned by central or state or both the governments. To be a public sector enterprise majority of the stocks should be owned by government.
  
• The enterprises like BHEL, GAIL, SAIL fall under public sector enterprise.
  

• Pawan Hans Helicopters Ltd Air services, provides services to Oil and Natural Gas Commission in its offshore operations. 
  
• It provides its facilities to operate in inaccessible areas and difficult areas like north eastern states, interior parts of Jammu and Kashmir, Himachal Pradesh and Uttarkhand. 
  

Mining of copper and zinc was de-reserved in 1993 according to national mining policy.

This was done to attract private investors in mine exploration.

This was amended several times to provide reasonable concession to attract the private sector investment 

National industrial policy was adopted by the government in April 1956 the main objective of this policy was to establish socialist pattern of society.

Among the given options namely development of heavy and machine making industries and expansion of public sector were included in the policy.

The automobile industry in India is the tenth largest in the world with an annual production of approximately 2 million units. After independence, the Government of India and the private sector launched efforts to create an automotive-component manufacturing industry to supply to the automobile industry. 

Copper has the best electrical conductivity of any metal, except silver. Current flows easily through copper thanks to its small electrical resistance, without much loss of energy. This is why copper wires are used in mains cables in houses and underground. Copper is a good conductor of heat and is used in many heating applications as it doesn't corrode and has a high melting point.

The MIG aircraft are manufactured at Ozar near Pune in Maharashtra. 

Coaches for railway passengers are produced at Kapurthala. It is a city in Punjab state of India.  rail Coach Factory was established in 1986. It is a coach manufacturing unit of Indian Railways. 

The electronics industry covers a wide range of products from transistor sets to television, telephones, cellular telecom, pagers, telephone exchange, radars, computers and many other equipments required by the telecommunication industry. Bangalore has emerged as the electronic capital of India. 

HMT Machine Tools Limited still manufactures industrial machines and tools with a work force of around 2,500 in six manufacturing units situated at Bangalore (Mother unit), Kochi, Kalamassery, Hyderabad (2 units), Pinjore and Ajmer. These mostly serve India's defence, government and educational Institutions.

HMT Machine Tools Limited still manufactures industrial machines and tools with a work force of around 2,500 in six manufacturing units situated at Bangalore (Mother unit), Kochi, Kalamassery, Hyderabad (2 units), Pinjore and Ajmer. These mostly serve India's defence, government and educational Institutions.

Hindustan Aeronautics Limited (HAL) is an Indian state-owned aerospace and defence company headquartered in Bangalore, India. It is governed under the management of the Indian Ministry of Defence.

Passenger and merchant ships are built at Hindustan Shipyard at Visakhapatnam.

• There is only one public sector shipping company. It is Shipping Corporation of India with its headquarters in Mumbai. It manages and operates vessels.
  
• SCI was established on 2 October 1961. SCI was also awarded the prestigious "Navratna" status by Indian Government in 2008.
  

It was towards the end of the war that the importance of establishing an indigenous automobile industry in India was realized when Premier Automobiles Ltd. (PAL) and Hindustan Motors (HM) set up factories in the mid-40s for progressive manufacture rather than assembly from imported components. HM was established in 1942 for the manufacture of certain auto components, but it was only in 1949 that the company actually began making cars. PAL was founded in 1944 by Seth Walchand Hirachand, a visionary and industrialist of pre-independent India, and as early as 1946 assembly of the Dodge DeSoto and Plymouth cars at PAL's Kurla (Mumbai) Plant commenced.

The Avadi Heavy Vehicles Factory (HVF), located near Chennai in Tamil Nadu, is India's only manufacturer of heavy battlefield equipment. Avadi in Thiruvallur District is well known for Defence establishments like Heavy Vehicles factory and the Combat Vehicle Research Development and Establishment.