The rice and moong dal can be washed and dried in sun or used directly too.
Dry roast the rice in Kadai, till you get a shiny, puffed up appearance.
Dry roast dal, pepper, jeera, asafoetida (if adding)
Cool and grind to powder. Sieve the coarse particles to get a fine powder.
Store in an airtight box in a cool and dry place.