I hope you will enjoy making traditional curries,which was made by our mothers and grandmothers patiently.Kallumakkaya Thenga Curry is one of like that traditional curry made with fresh kallumakkaya(mussels) and raw mango.
Heat oil in a clay pot,splutter mustard seed and fenugreek seed init then add chopped shallots,when it turns to golden brown in colour add tomato,green chilly,raw mango and saute for another 4-5 minutes.
Add kallumakkaya along with masala and enough water.
cover the top and cook for 15 minutes.
Add coconut paste and mix well,add water if required to get the currect consistency of curry.