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.

The East India Association was founded in 1866 by Dadabhai Naoroji in London, with the collaboration of other Indians and retired British officials. It superseded the London Indian Society and aimed to discuss Indian affairs, represent Indian grievances to the British government, and educate the British public about the true conditions in India. The Association became an important platform for early Indian nationalists to voice their concerns and advocate for Indian welfare.

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The East India Association was founded in 1866 by Dadabhai Naoroji in London, with the collaboration of other Indians and retired British officials. It superseded the London Indian Society and aimed to discuss Indian affairs, represent Indian grievances to the British government, and educate the British public about the true conditions in India. The Association became an important platform for early Indian nationalists to voice their concerns and advocate for Indian welfare.

Toka is a popular and easily available musical instrument used in Assamese folk Music. Toka is made of Bamboo, and bamboo being the most common produce of the forests of Assam, it is used abundantly by Assamese folk musicians.

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Toka is a popular and easily available musical instrument used in Assamese folk Music. Toka is made of Bamboo, and bamboo being the most common produce of the forests of Assam, it is used abundantly by Assamese folk musicians.

Sardar Vallabhbhai Patel is known as the father of All India Services. He was a key figure in the constituent assembly and was instrumental in the creation of the All India Services. He described the All India Services as the country's "Steel Frame".

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Sardar Vallabhbhai Patel is known as the father of All India Services. He was a key figure in the constituent assembly and was instrumental in the creation of the All India Services. He described the All India Services as the country's "Steel Frame".

The RTI Bill was passed by Parliament of India on 15 June 2005 and came into force with effect from 12 October 2005.

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The RTI Bill was passed by Parliament of India on 15 June 2005 and came into force with effect from 12 October 2005.

The Treaty of Yandabo (February 1826) formally ended the First Anglo-Burmese War. The treaty was signed on 24 February 1826, nearly two years after the war formally broke out on 5 March 1824, by General Sir Archibald Campbell on the British side, and the Governor of Legaing Maha Min Hla Kyaw Htin from the Burmese side, without any due permission and consent of the Ahom kingdom, Kachari kingdom or the other territories covered in the treaty. With the British army at Yandabo village, only 80 km (50 mi) from the capital Ava, the Burmese were forced to accept the British terms without discussion.

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The Treaty of Yandabo (February 1826) formally ended the First Anglo-Burmese War. The treaty was signed on 24 February 1826, nearly two years after the war formally broke out on 5 March 1824, by General Sir Archibald Campbell on the British side, and the Governor of Legaing Maha Min Hla Kyaw Htin from the Burmese side, without any due permission and consent of the Ahom kingdom, Kachari kingdom or the other territories covered in the treaty. With the British army at Yandabo village, only 80 km (50 mi) from the capital Ava, the Burmese were forced to accept the British terms without discussion.

Kanaklata Barua became a martyr during the Quit India Movement of 1942. The 17-year-old Indian independence activist was shot and killed by British police while leading a procession carrying the national flag. The procession was attempting to raise the flag at the Gohpur Police Station on September 20, 1942. Barua was a member of the All India Students' Federation and an organizer in the Mrityu Bahini, a group of freedom fighters.

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Kanaklata Barua became a martyr during the Quit India Movement of 1942. The 17-year-old Indian independence activist was shot and killed by British police while leading a procession carrying the national flag. The procession was attempting to raise the flag at the Gohpur Police Station on September 20, 1942. Barua was a member of the All India Students' Federation and an organizer in the Mrityu Bahini, a group of freedom fighters.

Two Indians who were associated with the discovery of the Indus Valley Civilization were Daya Ram Sahni and R.D. Banerjee. In 1921, Sahni supervised the excavation of the Indus Valley site at Harappa. He was the first Indian to be appointed Director-General of the Archaeological Survey of India (ASI). Between 1922 and 1927, Rakhal Das Banerjee excavated at Mohenjo-Daro. He is known as the discoverer of Mohenjo-Daro.

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Two Indians who were associated with the discovery of the Indus Valley Civilization were Daya Ram Sahni and R.D. Banerjee. In 1921, Sahni supervised the excavation of the Indus Valley site at Harappa. He was the first Indian to be appointed Director-General of the Archaeological Survey of India (ASI). Between 1922 and 1927, Rakhal Das Banerjee excavated at Mohenjo-Daro. He is known as the discoverer of Mohenjo-Daro.

Lord Mountbatten (1947-48) was the last viceroy of the British Indian Empire and the first Governor-General of independent India.

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Lord Mountbatten (1947-48) was the last viceroy of the British Indian Empire and the first Governor-General of independent India.

Shah Jahan built the Taj Mahal in Agra as a mausoleum for his beloved wife, Mumtaz Mahal. It's considered one of the most beautiful examples of Mughal architecture and a symbol of love.

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Shah Jahan built the Taj Mahal in Agra as a mausoleum for his beloved wife, Mumtaz Mahal. It's considered one of the most beautiful examples of Mughal architecture and a symbol of love.

Babur was succeeded by his son Humayun.

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Babur was succeeded by his son Humayun.