Heat up oil in a pan. Add hing and let it sizzle up.Add ginger garlic green chilli paste.You can use red chilli powder instead of green chilli.Fry for about a minute.Add turmeric powder and mix well.Add water, salt and mix well.Bring it to boil.When water boils add besan and mix well quickly. No lumps of besan should be formed. Take a steaer and cook on medium heat for about 7-8 minutes to remove rawness of besan