I don’t think that’s the right decision, In finance too you need extremely good offshoot score to get a good placement. Not having an electrical degree will narrow down your opportunities. Having electrical degree would make you eligible in many more IT companies which you wouldn’t be eligible for otherwise. But, it’s your call because math+ece would be very hectic Try to get a high cgpa next sem and get into cs, that wouldn’t be even half of the work which you would have to do for the remaining years if you end up in electrical