In a jug add buttermilk and gram flour, mix it nicely and keep aside. In a kadhai add oil.add cumin seeds and fenugreek seeds. Cook them. Now add onion and ginger garlic paste.mix well. Cook onion till light brown. Add spices.add buttermilk mixture and stir continuously till it boils. After that keep the gas flame on medium.and bring it cooked nicely. Add pakodas and cook for ten minutes. Serve hot with rice.