I interview at college & company in 2018,total process takes 4 rounds 1.written round 2.technical round (1) 3.technical round (2) 4.HR round 1.written exam consists of basics of Electrical and Electronics basics and some little problems 2,3.In both of interview rounds,They asked working of mosfet,transistor,types of switches,igbt,diode,working ofsolar energy,working of thermal power plant,definitions of choppers,rectifier,inverter,cyclo converter. You should concentrate of mainly on power electronics devices like mosfet,igbt,thyristor,chopper,inverter,cycloconverters,transistors,diodes,transformers,rectifiers etc Finally i got placed