The leaked documents include details of submarine's underwater sensors, above-water sensors, combat management system, torpedo launch system and specifications, communications system and navigation systems.
'Who would have thought that Brexit would take place or Donald Trump would become US president or Kim Jong-un's madness could bring the prospect of nuclear war over Asia?' 'It is the time of the unexpected; the French elections should perhaps be seen in this perspective,' says Claude Arpi.
'No matter how severe sanctions the UN security council imposes on North Korea, the impact of the sanctions would depend on how faithfully they are enforced by China,' says Dr Rajaram Panda.
'Where will the next 200 million users that will come online in India prefer to go? Will they buy a data pack, or will they use the free Internet?' 'What will happen when most of the Internet in India is inside a walled garden?'
In insight into PNS Ghazi, the Pakistan Navy's prized submarine that now lies embedded in the Vizag seabed about 1.5 nautical miles from the breakwaters.