Which group of oilfields among the following is located in Assam?

The correct answer is Digboi and Naharkatiya Key Points Digboi and Naharkatiya are prominent oilfields located in Assam, India . Digboi is known for having the oldest oil refinery in India , which dates back to the late 19th century. Naharkatiya is another significant oilfield in Assam that contributes to the region's oil production. These oilfields play a crucial role in the local economy and are vital for the energy sector in India. Additional Information Assam is one of the major oil-producing states in India. The discovery of oil in Assam dates back to 1889 when the first oil well was drilled in Digboi. Oil production in Assam has significantly contributed to the industrial development and economic growth of the region. In addition to Digboi and Naharkatiya, Assam has other important oilfields like Moran and Rudrasagar.