The hashtag has been trending at international level from day one, he said and added through NaMo app and social media more than one crore people have adopted "Main Bhi Chowkidar" resolution.
Former DRDO chief and NITI Aayog member Dr VK Saraswa said: "If today nations across the world want to militarise the space, India has the technological capability to match them."
In an identical move, Prime Minister Modi launched "Mai Bhi Chowkidar' campaign after Congress president Rahul Gandhi targeted him "Chowkidar Chor Hai" (watchman is a thief) jibe in view of alleged irregularities and favouritism in Rafale fighter jets deal.
Election to the Tura Lok Sabha seat and byelection to the Selsella Assembly constituency will be held on April 11.
A day after the Congress directly attacked Modi over corruption charges, Rajnath Singh lauded the work done by him in his tenure till now.
Several rooms of the UPCC headquarters have been refurbished and a newly-built media hall will also be inaugurated by Priyanka.
PM Modi also hailed the Election Commission (EC) for holding elections across the length and breadth of the country and said that the people of the country were proud of it.