President Pranab Mukherjee extended his greetings and good wishes to workers of India on May Day.
"On the occasion of May Day, I extend my heartiest greetings and good wishes to all the workers of India," Mukherjee said in a message, adding it is an occasion to pay tribute to the contribution that workers have made to progress, prosperity and well-being of Indian society.
"The increasing production and higher standards of living that our economy has witnessed would not have been possible without the relentless efforts of our vital labour force," he said.
"Let us, on this day recognize and celebrate the enormous role our working force is playing in enabling our nation attain rapid socio-economic progress," he added.