First public tests were experimented out in 1998 ( code names : Chagai-I and Chagai-II ) in a direct response to India 's nuclear explosions in the same year ; thus Pakistan became the 7th nation in the world to have successfully developed the programme . It is postulated that Pakistan 's crash programme arose in 1970 and mass acceleration took place following the India 's nuclear test in 1974 . It also resulted in Pakistan pursuing similar ambitions , resulting in the May 1998 testings of five nuclear devices by India and six as a response by Pakistan , opening a new era in their rivalry . Pakistan , along with Israel and India , is three of the original states that have restrained itself from being party of the NPT and CTBT which it considers an encroachment on its right to defend itself . To date , Pakistan is the only Muslim nuclear state
explosions
Pokhran-II
Pakistani nationalism