BS@50: Metro trains to moon landing - 50 milestones in India's tech journey

From fighting hunger and endless queues at rail ticket counters to reaching for the moon and beyond, here's a look at the country's journey to self-reliance through 50 science and tech milestones

1. Green, White, Yellow, Blue and Golden

A country grappling with a hunger crisis decided to do something about it. So, in the mid-1960s, the Green Revolution, led by MS Swaminathan, was launched. High-yield, hardy seed varieties and double-cropping – two crop seasons a year instead of one – were introduced, boosting food grain production from under 61 million tonnes in 1949-50 to 131 million tonnes in 1977-78 and making India self-sufficient in foodgrain. The White Revolution, or Operation Flood, spearheaded by Verghese Kurien, followed in 1970, transforming India from a milk-deficient country into the world’s largest