1 and half glass of Water
And one and half spoon Tea leafs.
Boil it for one minute
filter tea leafs;
add required Sugar and Milk;
Never add Sugar and milk while boiling or without fliter other wise you have to add more sugar coz tea leafs will soak sugar contents.
if you want to keep Tea in flask then keep it without adding Milk and sugar. otherwise you will lose taste of tea, and milk added tea turn poison if its cold.