potatoes-3 
Tamarind-juice(take out juice from tamarind and pulp is not 
needed boil the tamarind water until it becomes little thick add 
little sugar in it)
curd-less than 1 cup fully beaten.
Thin save mixture
onion-1 finely chopped
zeera powder-1/2 tbsp
dhaniya powder-1/2 tbsp
salt to taste
am chor powder-1/4 tbsp
chilli powder-1/4 tbsp
coriander leaves-finely chopped

*First boil the potatoes then peal them and make it paste and add 
salt,chilli powder,dhaniya powder,zeera powder,am chor,coriander 
leaves into the paste and mix it properly and keep aside.
*Now prepare the tamarind juice take some tamarind add some water 
into it and keep it in microoven for 50 sec now squeeze the juice 
and throw the pulp now add 1/4 tbsp of sugar in the tamarind 
water and pour the juice in a pan and make it thick.
*Now take a frying pan and make round and flat shape with the 
potato paste and fry them in a frying pan in medium flame add 
little bit oil to it.And prepare rest in the same process.
*Now take the potato tikkis in a plate add some tamarind juice in 
each tikki then curd in each then the thin save(mixture)and then 
onion and coriander.Now its ready to eat aloo chat its really 
good taste it.