New Delhi, June 8 -- India is believed to have once again slightly expanded its nuclear arsenal in 2025 and continued development of new types of nuclear delivery systems, according to the latest findings from the Stockholm International Peace Research Institute (SIPRI).

New Delhi's modernisation programme, the SIPRI Yearbook 2026 released on June 8, noted, "is increasingly focused on developing long-range weapons capable of reaching targets throughout China, although planning also continues to be focused on India's long-standing rivalry with Pakistan."

The report, which provides an annual assessment of the state of armaments, disarmament and international security, has described Operation Sindoor as "an unusually severe military crisis...