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

Context paragraphs:
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.

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.

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.

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.

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.

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).

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.

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.

Mettur Thermal Power Station: The Mettur Thermal Power Station is a coal-fired electric power station located in Salem district of Tamil Nadu.  It is operated by Tamil Nadu Generation and Distribution Corporation Limited.  The power station was commissioned during various periods from 1987 and this is the first inland thermal Power Station of TANGEDCO. The coal from Mahanadi Coalfields Limited (Talcher and Ib Valley) and Eastern Coalfields Limited (Raniganj and Mugma) are transported to the load ports of Paradip (Orissa), Vizag (Andhra Pradesh) and Haldia (West Bengal).  Thereafter the coal is transported to the discharge ports of Ennore and Tuticorin by ships.  From Ennore Port the coal is transported again through rail to Ennore Thermal Power Station and Mettur Thermal Power Station.

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.

Supporting paragraphs: Gadarwara Super Thermal Power Station Bharat Heavy Electricals
Answer: 1964