The serial production of fifth-generation fighter’s export version will be started by 2020, said Anatoly Serdukov, Minister of Defense (MoD) of Russian Federation, RIA Novosti reports.

"The Russian and Indian MoD have approved military operational requirement. We expect the serial production of this jet to be launched by 2020", - Serdukov said after the meeting of intergovernmental commission of Russia and India held in New Delhi.