Which group of oilfields among the following is located in Assam?
- ADigboi and Naharkatiya
- BAnkaleshwar and Kalol
- CMehsana and Nawagam
- DKosamba and Lunej
Solution & Step-by-step Explanation
Digboi (India's oldest operating oil refinery) and Naharkatiya are prominent onshore oilfields located in the state of Assam. The other options listed (Ankaleshwar, Kalol, Mehsana, Nawagam, Kosamba, and Lunej) are located in Gujarat.