"Russia will upgrade its Su-30SM to the “Super-Sukhoi” standard
PorPABLO DÍAZ
05/08/2021"
https://www.aviacionline.com/2021/08/russia-will-upgrade-its-su-30sm-to-the-super-sukhoi-standard/
In 15-minutes, BrahMos-armed Su-30 jets will be inducted into southern India's first permanent operational IAF fighter squadron, its eyes fixed on the Indian Ocean & China