Are you cooking on gas?
(Black iron pans are hardly used in BIR these days)
Your ideal curry pan

1. Does a 4ltr base (Garabi) in less than 1hr
2. Cooks any meat (tender) in a fraction, 30mins max.
3. cooks a 2up curry and multiples, the same as a 24mm Ali
cheers Chewy
You can get one of these right now at Wilcos for only