Which Indian metro has become the world's first completely green metro system?
Q. Which Indian metro has become the world's first completely green metro system?
Answer: Delhi Metro
Notes: The Delhi Metro has become the world's first completely 'green' Metro system for adhering to green building norms for its residential colonies. Delhi Metro has secured the platinum rating for adherence to green building norms for its 10 residential colonies from the Indian Green Building Council (IGBC).

 

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