Indian takeaway portions...? Help!

Been reading about best things to order on SW...

I think I'll have a lamb rogan josh or something similar for 6.5 syns, with boiled rice. Can someone tell me how much rogan josh this value is for? I assume it's not a full tray?!

I would usually eat a whole serving with some rice. Before I do that, please could someone advise!

Thanks! Spots xx

I'm new to this. I'm confused, As 6.5 syns for a full portion of curry seems a bit too good to be true!

I had a Lamb Dupiaza on Sunday and not sure on the syns for this either as not in the books...

I was wondering this too because I was expecting it to be about 30 syns! Xxx