Question: What year was Gadarwara Super Thermal Power Station's critical equipment supplier established?

full_context: Document 1: Tata Group: Tata Group is an Indian multinational conglomerate holding company headquartered in Mumbai, Maharashtra, India. It was founded in 1868 by Jamsetji Tata and gained international recognition after purchasing several global companies. It is India's largest conglomerate and is owned by "Tata Sons", a charity registered with the Charity commissioner in India.
Document 2: Reliance Infrastructure: Reliance Infrastructure (formerly Reliance Energy and Bombay Suburban Electric Supply), is an Indian private sector enterprise power utility and construction company. It is part of the Reliance Anil Dhirubhai Ambani Group. The company is headed by Anil Ambani. The corporate headquarters is in Mumbai. Reliance Infrastructure interests in Power Plants, Metro Rail, Airports, Bridges, Toll roads, Defence.
Document 3: Kirloskar Brothers: Kirloskar Brothers Limited (KBL) is a pump manufacturing company involved in engineering and manufacture of systems for fluid management. Established in 1888 and incorporated in 1920, KBL is the flagship company of the $2.5 billion Kirloskar Group. The market leader in fluid management, KBL provides fluid management solutions for large infrastructure projects in the areas of water supply, power plants, irrigation, oil & gas and marine & defence. The company engineers and manufactures industrial & petrochemical, agriculture & domestic pumps, valves and hydro turbines. In 2003 KBL acquired SPP Pumps (UK), United Kingdom and established SPP INC, Atlanta, USA, is as a wholly owned subsidiary of SPP, UK and expanded its international presence. In 2007, Kirloskar Brothers International B.V., The Netherlands and Kirloskar Brothers (Thailand) Ltd, a wholly owned subsidiary in Thailand were incorporated. In 2008, KBL incorporated Kirloskar Pompen B.V. which acquired Rodelta Pumps International B.V. in 2015 in The Netherlands. In 2010 KBL acquired Braybar Pumps, South Africa and in 2012 it established a manufacturing facility in Egypt as SPP MENA. KBL has joint venture cooperation with Ebara, Japan since 1988 under Kirloskar Ebara Pumps Ltd. Kirloskar Corrocoat Private Limited is joint venture cooperation with Corrocoat, UK since 2006. KBL acquired The Kolhapur Steel Limited in 2007, Hematic Motors in 2010.
Document 4: Mahindra &amp; Mahindra: Mahindra and Mahindra Limited (M&M) is an Indian multinational car manufacturing corporation headquartered in Mumbai, Maharashtra, India. It is one of the largest vehicle manufacturers by production in India and the largest manufacturer of tractors in the world. It is a part of Mahindra Group, an Indian conglomerate.
Document 5: Biecco Lawrie: Biecco Lawrie Limited (BLL) is a Public Sector Undertaking under the Ministry of Petroleum and Natural Gas (PSU) of the Government of India and was established in 1919 as British India Electric Construction Company Limited. BLL manufactures medium-voltage switchgears and have separate turnkey project and Electrical Repair division and is headquartered in Kolkata, West Bengal.
Document 6: Ashok Leyland: Ashok Leyland is an Indian automobile manufacturing company headquartered in Chennai, India. It is owned by the Hinduja Group.
Document 7: Super thermal power station: Super Thermal Power Stations (STPS) or Super Power Station are a series of ambitious power projects planned by the Government of India. With India being a country of chronic power deficits, the Government of India has planned to provide 'power for all' by the end of the eleventh plan.The capacity of thermal power is 1000 MW and above. This would entail the creation of an additional capacity of at least 100,000 Megawatts by 2012. The Ultra Mega Power Projects, each with a capacity of 4000 megawatts or above, are being developed with the aim of bridging this gap.
Document 8: Suratgarh Super Thermal Power Plant: Suratgarh Super Thermal Power Station is Rajasthan's first super thermal power station. It is located 27 km away from Suratgarh town in Ganganagar district. The power plant is operated by Rajasthan Rajya Vidyut Utpadan Nigam Ltd (RVUNL). The power plant has 6 units that can produce 250 megawatts each.
Document 9: NTPC Ramagundam: NTPC Ramagundam, a part of National Thermal Power Corporation, is a 2600 MW Power station situated at Ramagundam in Peddapalli district in the Indian state of Telangana, India. It is the current largest power station in South India. It is the first ISO 14001 certified "Super Thermal Power Station" in India.
Document 10: Bharat Heavy Electricals: Bharat Heavy Electricals Limited (BHEL) owned and founded by the Government of India, is an engineering and manufacturing company based in New Delhi, India. Established in 1964, BHEL is India's largest power plant equipment manufacturer.
Document 11: Gadarwara Super Thermal Power Station: Gadarwara Super Thermal Power Station is a coal based thermal power project located at near by Gangai village in Gadarwara Tehsil in Narsinghpur District in Indian state of Madhya Pradesh. The power plant is one of the coal based power plants of NTPC Limited. Bharat Heavy Electricals and are the critical equipment supplier.
Document 12: Nabinagar Super Thermal Power Project: Nabinagar Super Thermal Power Project is a coal-based thermal power plant located at Majhiyan and Ankorha villages in Nabinagar taluk in Aurangabad district, Bihar.It was conceptualised in 1989 by the then Chief Minister of Bihar S N Sinha who sent the proposal to set up a NTPC's super thermal power project at Nabinagar in Bihar's Aurangabad district to then Prime Minister of India Rajiv Gandhi; but the project went into limbo as the following state governments failed to follow it. In 2007, Manmohan Singh's government finally put a stamp of approval on it. power plant is owned by the Nabinagar Power Generating Company a 50:50 joint venture between NTPC Limited and Bihar State Power Holding Company Limited. The Nabinagar plant will have capacity of 1980 MW( 660MW X 3).
Document 13: Vindhyachal Thermal Power Station: The Vindhyachal Thermal Power Station is located in Singrauli district in the Indian state of Madhya Pradesh. One of the coal-fired power stations of NTPC, it is the largest power station in India, with an installed capacity of 4760 MW. The coal for the power plant is sourced from Nigahi mines, and the water is sourced from the discharge canal of Singrauli Super Thermal Power Station.
Document 14: Sipat Thermal Power Station: Sipat Super Thermal Power Station or Rajiv Gandhi Super Thermal Power Station is located at Sipat in Bilaspur district in state of Chhattisgarh. The power plant is one of the coal based power plants of NTPC. The coal for the power plant is sourced from Dipika Mines of South Eastern Coalfields Limited.
Document 15: Nabinagar Thermal Power Project: The Nabinagar Super Thermal Power Project (NSTP) of Bhartiya Rail Bijlee Company Limited (BRBCL) is a joint venture of NTPC Limited and Indian Railways to install a 4X 250 MW thermal power plant at Nabinagar in Aurangabad district, Bihar, India. The equity portions of NTPC and Indian Railways will be 74 per cent and 26 per cent respectively. In 1989, the then Chief Minister of Bihar and veteran leader Satyendra Narain Singh conceived, the proposal to set up a NTPC's super thermal power project at Nabinagar in Bihar's Aurangabad district to then Prime Minister of India and Congress leader Rajiv Gandhi; but the project went into limbo as the following state governments failed to follow it. In 2007, Manmohan Singh's government finally put a stamp of approval on it.The joint venture agreement was signed on 6 November 2007 and the company was incorporated on 22 November 2007.
ground_truth: 1964