In a bowl, add boiled mashed potato,bread crumbs,grated gobhi,coriander powder,salt,chat masala,lemon juice,ginger garlic paste,chopped coriander,besan and mix well.

Keep bread crumbs in a separate bowl.
Now give shape of tikkis to the mixture and roll tikkis in bread crumbs and shallow fry till it turns golden brown.
Gobhi ki tikki is ready.