**EDS: TO GO WITH STORY** New Delhi: Russian Ambassador Denis Alipov and cosmonaut Denis Matveev at the unveiling of a plaque in the honour of cosmonaut Yuri Gagarin and other space pioneers from Russia at the Russian House to mark the International Day of Human Space Flight, in New Delhi, Saturday, April 12, 2025. On this day in 1961, Gagarin under the then Soviet Union, became the first human to travel to outer space. (PTI Photo/Kunal Dutt) (PTI04_12_2025_000205B) *** Local Caption ***