The tests in Pokhran in 1998 also showed the difference a strong political leadership can make, he said.
"Today, technology is helping many in the efforts to make the world free from Covid-19. I salute all those at the forefront of research and innovation on ways to defeat Coronavirus. May we keep harnessing technology in order to create a healthier and better planet," he added.
In another tweet, PM Modi shared a video of his monthly address to the nation 'Mann Ki Baat', stating that the nuclear testing carried out under Atal Bihari Vajpayee, "showed the difference a strong political leadership can make".