Which one amongst the following is the oldest production unit? [#1007]

The Digboi Refinery in Assam is the oldest refinery in India, having been commissioned on December 11, 1901. It was built by the British and is also Asia's first refinery. The refinery is known as the birthplace of the Indian oil industry. Oil was first discovered in 1867 while laying a railway line in the Digboi area.

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The Digboi Refinery in Assam is the oldest refinery in India, having been commissioned on December 11, 1901. It was built by the British and is also Asia's first refinery. The refinery is known as the birthplace of the Indian oil industry. Oil was first discovered in 1867 while laying a railway line in the Digboi area.

M. Visvesvaraya

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M. Visvesvaraya

Assam shares its northern border with the country of Bhutan.

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Assam shares its northern border with the country of Bhutan.

Pung Cholam is a traditional folk dance of Manipur, India. The name literally translates to "roar of the drums". The dance involves dancers playing a hand-beaten drum called a pung while dancing at the same time. The dance is often performed on religious and cultural occasions, and is usually accompanied by songs and other instruments.

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Pung Cholam is a traditional folk dance of Manipur, India. The name literally translates to "roar of the drums". The dance involves dancers playing a hand-beaten drum called a pung while dancing at the same time. The dance is often performed on religious and cultural occasions, and is usually accompanied by songs and other instruments.

The first Invasion of Muhammad Ghori was in 1175 AD when he attacked Multan. He was the founder of Muslim rule in India.

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The first Invasion of Muhammad Ghori was in 1175 AD when he attacked Multan. He was the founder of Muslim rule in India.

Assam shares a border with seven Indian states: West Bengal, Arunachal Pradesh, Meghalaya, Tripura, Nagaland, Manipur and Mizoram.

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Assam shares a border with seven Indian states: West Bengal, Arunachal Pradesh, Meghalaya, Tripura, Nagaland, Manipur and Mizoram.

The Indian Coast Guard is a maritime law enforcement and search and rescue agency of India with jurisdiction over its territorial waters including its contiguous zone and exclusive economic zone.

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The Indian Coast Guard is a maritime law enforcement and search and rescue agency of India with jurisdiction over its territorial waters including its contiguous zone and exclusive economic zone.

Assam is the second-largest state in northeastern India by area, covering approximately 78,438 square kilometers. Only Arunachal Pradesh is larger.

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Assam is the second-largest state in northeastern India by area, covering approximately 78,438 square kilometers. Only Arunachal Pradesh is larger.

The Assam Electronics Development Corporation Ltd. (AMTRON) is a government agency in Assam that is responsible for promoting the growth and development of the electronics and information technology (IT) sector in the state. It works towards creating a conducive environment for IT industries, fostering innovation, and developing IT infrastructure in Assam.

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The Assam Electronics Development Corporation Ltd. (AMTRON) is a government agency in Assam that is responsible for promoting the growth and development of the electronics and information technology (IT) sector in the state. It works towards creating a conducive environment for IT industries, fostering innovation, and developing IT infrastructure in Assam.

Chandrasekhara Venkata Raman
Chandrasekhara Venkata Raman, also known as C. V. Raman is the first indian to be awarded the Nobel Prize in Physics in 1930.He received nobel prize for the discovery of Raman Effect. Raman Effect is related to the scattering of light.

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Chandrasekhara Venkata Raman
Chandrasekhara Venkata Raman, also known as C. V. Raman is the first indian to be awarded the Nobel Prize in Physics in 1930.He received nobel prize for the discovery of Raman Effect. Raman Effect is related to the scattering of light.

There are 22 official languages in India and they are covered under the 8th schedule of the Indian Constitution. Assamese, Bengali, Bodo, Dogri, Gujarati, Hindi, Kannada, Kashmiri, Konkani, Malayalam, Manipuri,Marathi, Maithili, Nepali, Oriya, Punjabi, Sanskrit, Santhali, Sindhi, Tamil, Telugu, Urdu.

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There are 22 official languages in India and they are covered under the 8th schedule of the Indian Constitution. Assamese, Bengali, Bodo, Dogri, Gujarati, Hindi, Kannada, Kashmiri, Konkani, Malayalam, Manipuri,Marathi, Maithili, Nepali, Oriya, Punjabi, Sanskrit, Santhali, Sindhi, Tamil, Telugu, Urdu.