Vanspati far sale Blood test:Cut hand with knife & put the fluid of vanaspati on it .After that blood stops & after 7-8 min injury heals but mark remain as it is .Fish test:Take fish out of the tank,remain fish out for 45min-2hr. Put fish into the tank & stir the vanaspati into the tank,after 5 mins fish starts movinng show in proper mumbai. demand 5 cr..