Wash drumstick and dry it with towel completely
Cut them into medium pieces when they are completely dry
Soak the tamarind in hot water and extract the pulp,heat the pulp on stove about 15 min until it just thickens- in a medium flame
In a pan heat 4 to 5 tbsp of oil and shallow fry drumsticks pieces
Let them fry in medium flame until they are soft and well cooked
When they are almost cooked take out in another bowl and let it cool
In the same pan heat the remaining oil,add mustard, jeera,urad dal,chana dal,red chillies,hing,curry leaves
Let the tadka cools down completely
Add cooled tamarind pulp to the cooked drumstickspieces
And add redchilli powder,mustard powdr,jeera methi powder,turmeric powder,salt and cooled tadka or seasoning
Finally add lemon juice and mix it well
Yummy drumstick pickle is ready