In a pan add a drop of oil and roast urad dal,chana dal along with red chillies till golden.Set aside to cool.Now in the same pan add onion,garlic and saute till onion turns transparent. While its getting sauted, soak roasted red chillies in hot water.Once onion tuens slightly golden, then add tomato and saute till mushy and raw small leaves completely. Cool down and transfer everything to a mixer and grind it along with little water to a chutney consistency.Don't grind it too smooth.Transfer to a serving bowl. In a tadka pan - heat oil add the ingredients listed under 'to temper' let it splutter.Add this tadka to the chutney and mix well.