Question

in 1984. railway started in kolakat​

Answer 1

Answer:

It was initially planned in the 1920s, but construction started in the 1970s. The first underground stretch, from Bhawanipore (now Netaji Bhawan) to Esplanade, opened in 1984. Line 2, or the East–West Corridor, opened in 2020.

...

Kolkata Metro.

Answer 2

Answer:

It was initially planned in the 1920s, but construction started in the 1970s. The first underground stretch, from Bhawanipore (now Netaji Bhawan) to Esplanade, opened in 1984. Line 2, or the East–West Corridor, opened in 2020.