Question

why is iron and steel industry called basic industry explain any 3 reasons

Answer 1

iron nd steel industry are backbone of our country..
all the machineries used in industries are made up of steel nd iron

Answer 2

Answer:

1) Conversion of meter gauge to broad gauge. 2) Steam engines have been replaced by diesel and electric engines. 3) Railway routes have been extended to areas where there was no railway route earlier

Explanation: