The triad will be completed only after INS Arihant becomes fully operational.
INS Arihant will be armed with 75-km range K-15 misslies for "deterrent patrols".
Recent estimates by international nuclear watchdogs and reputed think tanks reveal that Pakistan has a total of 70 to 90 nuclear warheads compared to India's 60 to 80. China, in comparison, has around 240 warheads.
