No offence dalpuri, but if you think a pizza restaurant would go through all that just to come up with with a pizza sauce then you're barking. It's far more likely they've simply adapted one of their existing tomato-based pizza sauce recipes with some indian ingredients to pep it up a bit.
Try this Wayne:
Indian pizza sauce - yield is 7 pizzas at 75g sauce per pizza
50ml veg oil
2 large clove garlic minced
500ml passata
75g tomato puree
2 lvl tsp curry powder
1 tbsp chilli pickle, eg Mr Naga or Pran Naga pickle
0.75 lvl tsp garlic powder
1 tbsp tandoori masala
1 level tsp Salt
1.5 lvl tsp msg
0.5 lvl tsp black Pepper
1 tbsp light soy sauce
1 level tbsp sugar
- add passata and tom pur