Pakistan, May 30 -- "Youm-e-Takbeer" is being observed today in remembrance of nuclear tests conducted by Pakistan on May 28, 1998, which made the defence of the country invincible. On this day, Pakistan became the seventh nuclear nation of the world and the first Muslim state having the nuclear arsenal in its defence stockpile. The team of Pakistan's scientists led by founder of Pakistan's nuclear programme, Dr Abdul Qadeer Khan, and Dr Samar Mubarakmand carried out nuclear tests in the RasKoh Hills in the Chaghai District of Balochistan. These tests not only demonstrated the resolve of the Pakistani nation to safeguard Pakistan's territorial integrity, independence and sovereignty, but also the desire to preserve strategic balance in So...