The best Briyani so far that i have tasted could be found at "Silver Spoon" take out and catering @ scarborough location:
4800 SHEPPARD AVENUE EAST, UNIT 124-126 SCARBOROUGH, ON M1S 4N5
MON-THU 11:00AM - 10:00PM \ FRI-SAT: 11:00AM - 11:00PM \ SUN: 11:00AM - 10:00PM
From my personal experience, i have tried eating a lot of other Briyani from other restaurants but somehow the taste doesn't come close to what i was used to eating while growing up in India. They were either too tasteless, too spicy or too plain in taste. Then someone introduced me to the silver spoon Briyani and i liked it very much. The price is quite reasonable and quantity is satisfying.