Add the coriander leaves, mint leaves, green chilies, ginger, garlic, and lime juice in a small blender. Blend to make a smooth paste. It is best not to add any water when blending.
Transfer the prepared green chutney to a large bowl. Add yogurt, garam masala, coriander powder, cumin powder, chaat masala, salt, mustard oil, and besan to the bowl.
Crush kasoori methi between your palms and add to the bowl. Mix all well. Now add onions, green bell pepper, red bell pepper, and paneer. Mix gently with your hands to thoroughly coat the veggies.
Cover the marinate, and chill for 30 minutes. After that, thread the paneer, onions, and capsicum on the wooden skewers.
Lightly grease the air fryer basket. Arrange the paneer sticks in the air fryer—Cook at 180 degrees or 360F for 5 minutes.
Turn the paneer sticks and cook for 5 more minutes, then serve with lime wedges and chutney. Enjoy!