निम्नलिखित में से कौन सी मिसाइल प्रणाली भारत द्वारा मुख्य रूप से रणनीतिक परमाणु निवारण (strategic nuclear deterrence) के लिए तैनात की गई है?

Which category of conventional defence technology specifically includes surface-to-air, cruise, and ballistic weapons integral to tactical and strategic operations?

Which category of conventional defence technology enhances maritime security and includes strategic assets such as submarines and aircraft carriers?