Which of the following industries was operational in India at the time of independence?

Correct option is A

The correct answer is (a) Iron and steel industry
Explanation:
. Iron and steel industry existed before 1947.
. TISCO was established in 1907 at Jamshedpur.
. It supplied rails and machinery during British rule.
. Other modern industries were poorly developed.
. Heavy industries expanded after independence.
Information Booster:
. Cotton textile and jute industries were also operational.
. Industrial growth was limited under colonial rule.
Additional Knowledge:
Electronics industry (Option b)
. Developed mainly after independence.
. Grew significantly after 1980s.
Aerospace industry (Option c)
. Very limited activity before 1947.
. HAL expanded post-independence.
Automobile industry (Option d)
. Assembly units existed but not well developed.
. Major growth occurred after 1950s.