In 1981 , he was awarded the second highest civilian award , Hilal-i-Imtiaz , from President General Muhammad Zia-ul-Haq due to his efforts in Pakistan 's atomic program , and popularising science in Pakistan . In May 1998 , the Government of Pakistan awarded him the highest civilian award , Nishan-i-Imtiaz posthumously by the prime minister Nawaz Sharif when Pakistan conducted its first successful nuclear tests
first successful nuclear tests
Chagai-I
Muhammad Raziuddin Siddiqui