Try to learn a little cooking. This will be very helpful. Don t worry about how well you can cook. You will get by fine. Pressure Cooker bring a middle size cooker this will help storing food, and you can cook lesser amounts if you want anyway.
Spices bring some.
Cutlery - Bring all utensils that you need to do by with. Frying pan, 2-3 deep and shallow storage utensils, tongs, serving utensils, plates. If you like or want to cook very traditional things like idlis, rice cakes etc,. bring whatever is needed. Most of the times though, you wouldn t have patience to cook such stuff. For the journey Always remember that your principal luggage which will probably consist of one or two big luggages have a life of their own after you check them into you boarding point.