Tell about Delhi Metro and historical facts of it ?

In 2011, the Delhi Metro Rail Corporation became the world’s first railway network to earn carbon credits from the United Nations for helping cut Greenhouse gas emissions by almost 6,30,000 tonnes a year.

It has also received Platinum rating by Indian Green Building Council (IGBC) to all station buildings on its Phase-III network.

There are more than a thousand escalators and 750 lifts that are operational across the DMRC network. Over two crore smart cards are in circulation since 2002.

More than 700 token vending machines are installed across the DMRC network.

2018 was a phenomenal year for the Delhi metro since 90 km of the stretch was thrown open to the public

. More than 30 tunnel boring machines were used to excavate tunnels in its Phase-III projects.

Almost nine colors have been used so far for color coding of operational metro lines- Yellow, Blue, Red, Green, Violet, Magenta, Orange, Pink and Grey

The Delhi metro covers a stretch of 1.28 lakh km on a daily basis. On October 02, 2010 the corporation started the practice of reserving one coach for women in every metro, almost eight years after its inauguration.

The first six coach train started operating on December 23, 2010 while the first eight coach train became operational on December 24, 2012- the tenth anniversary of DMRC.

With around 163 elevated stations, 65 Sniffer dogs that man all its stations and around 1500 train operators that serve the Delhi public each day, Delhi Metro plans to achieve 50 MW roof top solar power generation capacity by 2021.

There are more than a thousand escalators and 750 lifts that are operational across the DMRC network. Over two crore smart cards are in circulation since 2002.