Which of the following statement(s) is/are correct about the ‘Vikas’ engine?
1. It is a family of liquid-fuelled rocket engines conceptualised and designed by the Liquid Propulsion Systems Centre of ISRO in 1970s.
2. They are deployed for ISRO’s PSLV and GSLV series of expendable launch vehicles for space launch use.
3. It current involves two imported French components that power the solid-rocket motor component of the engine.
Select the correct codes from below -