All the above

"An Indian strategic thinker of the 3rd century B.C. bearing the name Kautilya dwelt on the subject of threats that states encounter."

He is traditionally identified as Kauilya or Vishnugupta, who authored the ancient Indian political treatise, the Arthashastra. "Kautilya (Click Here ) became a counsellor and adviser to Chandragupta (reigned c. 321-c. 297), founder of the Mauryan empire of northern India, but lived by himself. He was instrumental in helping Chandragupta overthrow the powerful Nanda dynasty at Pataliputra, in the Magadha region."

Improvisation: http://pib.nic.in/newsite/PrintRelease.aspx?relid=151207 "

The Brussels or Satellites Convention provides for the obligation of each Contracting State to take adequate measures to prevent the unauthorized distribution on or from its territory of any programme-carrying signal transmitted by satellite.

The Atlantci : The International Space Station travels at a brisk 17,100 miles per hour. That means it orbits Earth every 90 minutes-so it sees a sunrise every 90 minutes. Thus, every day, the residents of the ISS witness 16 sunrises and 16 sunsets.

Additional Information: The International Space Station (ISS) Program's greatest accomplishment is as much a human achievement as it is a technological one-how best to plan, coordinate, and monitor the varied activities of the Program's many organizations. An international partnership of space agencies provides and operates the elements of the ISS. The principals are the space agencies of the United States, Russia, Europe, Japan, and Canada.

Improvisation: BBC ;

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Statement 1 is correct. Virtual ID, the 16-digit randomly-generated number that people can share instead of their Aadhaar number. It is an extra layer of security to protect privacy of people and does not imply there were gaps in the existing security architecture.

Statement 2 is correct. Virtual ID can be changed any number of times. No documents or proof will be needed to generate a VID. But an Aadhaar number will be essential.