You may not get telephone network while you're travelling on the Delhi Metro but you will soon have free Wi-Fi while travelling. And it may be faster than the connection anything you've got at home. 

According to a Times of India report, the Delhi Metro has tied up with two companies to provide Wi-Fi on all lines of the transportation network in the second half of 2016. 

Source: b'Source: PTI'

Here's what you can expect: 

Source: b'Source: PTI'