Likely Biak (Indonesia), from https://www.spacetechasia.com/isro-visits-indonesias-space-agency-lapan-to-discuss-chandrayaan-2/ https://www.spacetechasia.com/is

Likely Biak (Indonesia), from https://www.spacetechasia.com/isro-visits-indonesias-space-agency-lapan-to-discuss-chandrayaan-2/ https://www.spacetechasia.com/isro-visits-indonesias-space-a... “ISRO and LAPAN have had a long history of collaboration, with ISRO owning a ground station on the Indonesian island of Biak, which has supported many of India’s launches.”