According to the sources, the claim suggests that the attackers may have compromised personal information related to defence personnel, including the login credentials.
Around $20 million were spent over eight years on the development of the tank.
India and Kuwait have signed a landmark labour agreement, incorporating steps for job protection, checking exploitation of Indian workers and ensuring payment of salaries and other benefits promised at the time of recruitment.
According to the bill, Indians should not exceed 15 per cent of the population.
After a 7-year hiatus, Pakistan Monday showcased its growing military might, including tactical nuclear missiles and fighter jets, at a joint tri-service parade to celebrate the National Day in a symbolic show of strength in the war against the Taliban.
'Should the two armies clash in a conventional battlefield, the advantage will pass more and more to the Indians as the battle progresses,' says Brigadier S K Chatterji (retd).