Yes, you can order per portion. Portion size dishes are suitable for families, as this a 500 ml container with the choice of your dish and includes 4 Chapati's and salad. Extra Roti's /chapati's or Rice can be ordered to suit your requirement
The charges are per portion £6.99 for veg or 7.99 for non-veg dishes. With the exception of Lamb curry which is £8.50 per portion.