Kolkata Metro Completes India's Deepest Ventilation Shaft | Read

Name: Kolkata Metro Completes India's Deepest Ventilation Shaft
Uploaded: Mon, 10 Aug 2020 23:46:52 +0530
Duration: T00H02M06S
Description: The country's deepest underground rail ventilation shaft equal to a 15-storey building and an important part of the city's East-West Metro line was completed on Monday, officials said.

PUBLISHED ON: August 10, 2020 | Duration: 2 min, 06 sec

The country's deepest underground rail ventilation shaft equal to a 15-storey building and an important part of the city's East-West Metro line was completed on Monday, officials said.