Wash and soak both the lentils seperately for approx.3 hours.Take out half cup soaked bengal gram and keep aside.(A)
Now drain water and mix both the lentils
Take lentils in the mixer jar add 1 t.s curry leaves, green chilli and ginger and grind coarsly
Now add fennel seeds,curry leaves and pepper corns and pulse(crush) again for few seconds,add just 1-2 tbls of water to make a thick mixture.
Take the mixture in a bowl, add the soaked chana daal (A) cumin seeds,fresh coriander, chopped curry leaves,chopped raw mango, asafoetida,salt and baking soda.
Mix the lentil mixture well, grease your palm,and take a small portion from the mixture and make a slightly flat tikki.
Deep fry in hot oil on medium heat and when become golden and crisp then drain on a paper napkin.
Serve hot with coconut chutney or mint chutney