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.

Madhupur Satra is located in Cooch Behar, West Bengal, India. While geographically in West Bengal, it's important to note its connection to the Ekasarana tradition of Vaishnavism, which originated in Assam with Srimanta Sankardeva. The Satra's presence in Cooch Behar reflects the historical and cultural links between the regions.

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Madhupur Satra is located in Cooch Behar, West Bengal, India. While geographically in West Bengal, it's important to note its connection to the Ekasarana tradition of Vaishnavism, which originated in Assam with Srimanta Sankardeva. The Satra's presence in Cooch Behar reflects the historical and cultural links between the regions.

American Baptist missionary Dr. Miles Bronson compiled and published the first Assamese dictionary in 1867. The dictionary, titled A Dictionary in Assamese and English, was published by the American Baptist Mission Press in Sibsagar, Assam. The dictionary is now out of print.

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American Baptist missionary Dr. Miles Bronson compiled and published the first Assamese dictionary in 1867. The dictionary, titled A Dictionary in Assamese and English, was published by the American Baptist Mission Press in Sibsagar, Assam. The dictionary is now out of print.

Poa Mecca and Hayagriva Madhab Temple are both located in Hajo, a small town in Assam's Kamrup district, near Guwahati.

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Poa Mecca and Hayagriva Madhab Temple are both located in Hajo, a small town in Assam's Kamrup district, near Guwahati.

The Bodoland Territorial Council (BTC) is an autonomous council established under the Sixth Schedule of the Constitution of India in 2003. The BTC is the result of the Memorandum of Settlement between the Government of India, the Government of Assam, and Bodo Liberation Tigers, signed on February 10, 2003.

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The Bodoland Territorial Council (BTC) is an autonomous council established under the Sixth Schedule of the Constitution of India in 2003. The BTC is the result of the Memorandum of Settlement between the Government of India, the Government of Assam, and Bodo Liberation Tigers, signed on February 10, 2003.

Muhammad bin Tughluq

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Muhammad bin Tughluq

Chandra Kumar Agarwala was the first editor of the Assamese magazine Jonaki, which began publishing in 1889. Agarwala was also a founder member of the literary organization Oxomiya Bhaxa Unnati Xadhini Xobha, along with his friends Lakshminath Bezbarua and Hemchandra Goswami.

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Chandra Kumar Agarwala was the first editor of the Assamese magazine Jonaki, which began publishing in 1889. Agarwala was also a founder member of the literary organization Oxomiya Bhaxa Unnati Xadhini Xobha, along with his friends Lakshminath Bezbarua and Hemchandra Goswami.

Baan Theatre, a renowned and historically significant theatre group in Assam, was established in the year 1906. It has played a vital role in the development and promotion of Assamese drama and theatre. Located in Tezpur, it is one of the oldest and most influential theatre groups in the region.

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Baan Theatre, a renowned and historically significant theatre group in Assam, was established in the year 1906. It has played a vital role in the development and promotion of Assamese drama and theatre. Located in Tezpur, it is one of the oldest and most influential theatre groups in the region.

Rajasthan

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Rajasthan

Digboi refinery, now a division of Indian Oil Corporation, had a capacity of about 0.65 million tonnes per year as of 2003. Digboi is now Headquarter of Assam Oil Division of Indian Oil Corporation Limited.

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Digboi refinery, now a division of Indian Oil Corporation, had a capacity of about 0.65 million tonnes per year as of 2003. Digboi is now Headquarter of Assam Oil Division of Indian Oil Corporation Limited.

Kalpana Chawla
Kalpana Chawla (17 March 1962 – 1 February 2003) was an Indian-born American astronaut and aerospace engineer who was the first woman of Indian origin to go to space. Chawla was one of the seven crew members who died in the Space Shuttle Columbia disaster when the spacecraft disintegrated during its re-entry into the Earth's atmosphere on 1 February 2003.

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Kalpana Chawla
Kalpana Chawla (17 March 1962 – 1 February 2003) was an Indian-born American astronaut and aerospace engineer who was the first woman of Indian origin to go to space. Chawla was one of the seven crew members who died in the Space Shuttle Columbia disaster when the spacecraft disintegrated during its re-entry into the Earth's atmosphere on 1 February 2003.