2 cups of water
Coriander leaves(2 stem)
Curry leaves(4 to 5 leaves)
OIl(2 tbspn)
Jeera(1/2 tbspn)
Peper(4 to 5 )
Garlic(3 pieces)
Red Chilli(4 to 5 tbspn)
Turmeric powder*1/4 tbspn)
Salt for taste
Tamarind(1 small ball)

Grind throroughly Pepper and jeera to nice powder

Put tamarind in water for around 10 minutes and then remove the 
tamarind juice from tamarind

to tamarind water Put chilli and coriander leaves.
Then add pinch of turmeric powder to the water

put oil on small vessel for sesame
Then add garlic 
Then put the tamarind water 

Boil for around 3 minutes.
Then add salt for taste

then serve the rasam with rice..

Its a  good appetizer.this ca be used after food or with rice..