India is home to several regions known for their unique industries and natural resources. Some areas are famous for textiles, others for technology, and a few for minerals and energy. Among them, one special district stands out for its historic connection to petroleum production. This place played a key role in starting India’s oil industry and is proudly known as the Petrol City of India.
Petrol City of India
The city of Digboi, located in the Tinsukia district of Assam, is known as the Petrol City of India or Oil City of India.
This place became famous for being the site of India’s first oil well, and it still plays a major role in the country’s petroleum production.
Why Digboi is Called the Petrol City?
Digboi holds a special position in India’s energy history because it was the first place in India where crude oil was discovered.
- The first oil well was drilled here in 1889.
- Later, in 1901, Asia’s first oil refinery was established in Digboi.
- The refinery is still operational today, making it one of the oldest working oil refineries in the world.
This long connection with oil exploration and refining earned Digboi the title of “Petrol City of India.”
How Digboi Got Its Name?
The name “Digboi” has an interesting story.
It is said that during the British colonial period, an English engineer supervising the drilling encouraged workers by shouting “Dig, boy, dig!” while digging for oil.
Over time, this phrase became the name of the place — Digboi.
Digboi’s Historical Importance
- Digboi represents the beginning of India’s oil industry.
- The refinery built more than a century ago still operates under the Indian Oil Corporation Limited (IOCL).
- The city has also contributed to the economic and industrial growth of Assam, creating jobs and supporting the local community.
Tourist Attractions in Digboi
Digboi is not just an industrial town; it also attracts tourists because of its rich heritage and natural beauty.
Some popular attractions include:
- Digboi Oil Museum, which showcases the history of India’s petroleum industry.
- Digboi Centenary Park, built to celebrate 100 years of the refinery.
- Lush tea gardens and colonial-style buildings, reflecting Assam’s cultural charm.


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