Heat a pan with oil add Cumin seeds, fennel seeds, Ajwain, Hing onion, ginger- garlic saute well for a minute. Now add coriander powder, chilli powder and Besan, turmeric, salt and little water mix well after 5 minutes at the end add Lemon juice and keep aside.Rinse the Mirchi wipe them with dry cloth or kitchen towel. Take Stuff masala in a bowl. Make a slit in each Mirchi lengthwise.