Digboi in Assam is historically important as India's

Question

Accepted Answer

D. {'text': 'First oil well site', 'label': 'D'}

1. India's first oil well was drilled at Digboi in Assam in the 1860s.
2. Digboi refinery began operating in 1901 — Asia's oldest still-working refinery.
3. Assam remains India's traditional oil-producing region (also Naharkatiya, Moran).
4. Newer offshore fields include Mumbai High, and onshore Ankleshwar in Gujarat.
_Source: NCERT Class 10 Social Science (Geography), Ch 5 "Minerals and Energy Resources", §5.3_

Answer

{'text': 'First coalfield opened', 'label': 'A'}

Answer

{'text': 'First atomic power plant', 'label': 'B'}

Answer

{'text': 'First hydro-electric project', 'label': 'C'}