So far the largest crowds (nearly 7,000 people) have been seen at the Walkathon in Gurugram. Here are glimpses from the 7.5 kms walk which was flagged off by actor Rajkummar Rao.
People from all age groups walked for the cause of organ donation in Gurugram.
"There's no race for organs in heaven, better utilise them on Earth," read one of the placards in Gurugram.
Rajkummar Rao expressed his disappointment over the abysmal rate of organ donation in India and urged people to raise awareness about organ donation.
Gurugram gears up for Walkathon as thousands of people showed up early morning to support the cause of organ donation.
Gurugram warms up before beginning their 7.5-kilometer Walkathon.
Warm up session before the organ donation Walkathon begins.
All the Walkathon participants gearing up for the 7.5 km long walk.