Arrange the following events in chronological order:
A. Digboi begins production
B. ONGC is established
C. Discovery of Mumbai High
D. Production starts in Krishna-Godavari basin
1
A → B → C → D
2
B → A → C → D
3
A → C → B → D
4
A → B → D → C
Arrange the following events in chronological order:
A. Digboi begins production
B. ONGC is established
C. Discovery of Mumbai High
D. Production starts in Krishna-Godavari basin