The only states where the production of oil was carried out until 1959 in the country?
A. Assam
B. Maharashtra
C. Gujarat
D. Bihar
Answer:A
The only states where the production of oil was carried out until 1959 in the country?
A. Assam B. Maharashtra C. Gujarat D. Bihar
Explanation: For exploration of petroleum, wells were drilled in Assam valley in 1866, just seven years after the discovery of petroleum in Pennsylvania in USA. Oil was discovered in 1890 in Digboi oil field in Assam. Only Assam produced petroleum in the country until 1959.