Take a pan add oil, add onion..let the onion starts cooking add green and yellow bell peppers then add shredded chicken to it give it a good mix add red chilli sauce, green chilli sauce, tomato ketchup,shezwan sauce, soya sauce give it a good mix..add cornflour (make sure you add little water to cornflour and make a paste then add to the chicken) once the mixture is thick, close the stove add tomato (remove the seeds of tomato) mix it well.Let it cool