First of all in a bowl marinate chicken and potato together add lemon juice, chopped green chilli,salt,red chilli powder,soya sauce and ginger garlic paste mix it all properly and leave it for 10 minutes

Now cut onion, tomato,and capsicum in square shape also deseed the tomato and capsicum

Now in separate plate put flour and add 2 tbsp Tikka masala it's optional you can add red chilli powder and salt also instead of masala

Now coat one by one chicken and potato into flour and shallow fry in medium flame until golden brown from both sides

Now make skewers according to your choice first put onion then chicken then potato and other vegetables

Now set all the skewers in grill pan with little bit of oil and in high flame cook both sides for 2 minutes