The correct options are
A The railway line between Bombay and Thane was built.
C Ports were developed in Mumbai, Kolkata and Chennai.
D Lord Dalhousie introduced the first wireless system between India and England
The latest technology in the world came to India during British rule.
Lord Dalhousie built the first railway line between Bombay and Thane. This new mode of transport helped the movement of goods and people over long distances. He also introduced the first wireless system between India and England.
Ports were developed in Mumbai, Kolkata and Chennai which helped in the creation of much needed modern infrastructure.
Steamer services were also started between India and England during his tenure.