Which was the first satellite of Sri Lanka?

Raavana 1.

Know more about Raavana 1 ,// 'Raavana 1' also known as 'BIRD LKA' is a Sri Lankan low orbit cube research satellite and first satellite of Sri Lanka. The satellite was launched as part of Cygnus NG-11 by the United States on 17 April 2019. On 17 June 2019, the satellite was launched into the orbit after it was sent into space on 17 April 2019.