Sreedharan, 77, received a warm welcome from colleagues as he reached the Delhi Metro Rail Corp (DMRC) office in central Delhi at 9 a.m., the spokesman said."He is working according to schedule, like before," the official added.
Sreedharan was admitted to the Apollo hospital April 7 following a heart attack that led to a bypass surgery.Sreedharan has headed Delhi Metro since its inception in 1997. The network today transports nearly one million people a day.
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