In a bowl, mix together the minced chicken, green chillies, onion, ginger, garlic, cashew nuts, chaat masala, garam masala powder, white pepper powder, cinnamon powder, besan, kasoori methi, nutmeg powder, fresh coriander, lemon juice and salt. Alternatively, you can use boneless chicken and grind it together with the green chillies, onion, ginger and garlic.