Turn on a wide-bottomed pan on low heat
When pan turns hot add urad dal, chana dal, coriander seeds, pepper, fenugreek seeds, and red chilli; mix well and roast till sesame seeds start to crackle and dal turns golden brown
furthermore, add curry leaves and cumin seeds; saute till the dal turns golden brown
Add tamarind and saute in low flame
Roast till tamarind turns dry and moisture evaporates. cool
Mix the curry leaves and dal
Furthermore add asafoetida, salt, jaggery, and turmeric powder; cool
check if the tamarind is well roasted
Transfer to the mixie; grind
Dry roast mustard seeds ; till they splutter
Transfer to a wide plate and cool completely
Store in an airtight container