Grind onion, garlic, ginger and green chili into a smooth paste. Place it aside.Add oil in a wok / vessel add cumin seed. Once they crackle add asofoetida and the grounded paste.Fry the paste on low heat until it starts leaving oil. Be careful not to burn the paste.Put yogurt and mix all nicely. After 2 mins add capsicum along with spices like turmeric, red chili powder, garam masala powder and coriander seed powder.Stir all well add paneer, coconut milk and water. Once the curry starts bubbling add coriander leaves and cream.Cook for another 4-5 mins and salt. Taste and alter any spices if required. Garnish with kasuri methi. Serve the curry hot with rice or roti.