There is no good and real Japanese importer.
Har showroom wala kahin na kahin fraud karta hai and jo apnay aap ko 100% Sachay dealer kehtay hain woh phir market se 5 lac upar bhi mangtay hain issi naam pe k original hai whereas bohat aur showrooms pe bhi original mil jaati hai.
Just go check the cars you like and verify the auction sheet. Its not rocket science