It's a mere 430 miles from Islamabad to New Delhi, as the missile flies. The streets of Islamabad are well within the range of India's Agni missile. It has a range of 1200 miles. Pakistan's answer, the Gauhri, was test-fired last month. Matching weapon for weapon.
Officials claim it's already been armed with nuclear warheads.
It can easily reach New Delhi. Pakistan's weapons are made from highly enriched uranium. The technology was smuggled from the West. The warhead design may have come from China. It's thought they have enough uranium to make at least 20 nuclear warheads.