Releasing the manifesto along with other senior leaders here, BJP's Prime Ministerial candidate Narendra Modi promised to pursue "zero tolerance" approach on internal as well as external security so that no one dares threaten India.
"We will follow a two-pronged independent nuclear programme, unencumbered by foreign pressure and influence, for civilian and military purposes, especially as nuclear power is a major contributor to India's energy sector," the manifesto said.
Credible minimum deterrent is the principle of India's 'no-first use' of nuclear weapons under which it wants to maintain assets which can help it in retaliating strongly if attacked by an adversary.
The party also promised to invest in India's Thorium Technology Programme for nuclear energy.
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The main Opposition party accused the UPA government of "frittering away" the strategic gains acquired by India in the nuclear programme during the Atal Bihari Vajpayee regime.
It said solutions would be found to the problems hampering the growth of the defence sector. "We will encourage domestic industry to have a larger share in design and production of military hardware and platforms for both domestic use and exports in competitive environment," it said.