Amul
Suspisious ingredient

Amul says "tea special gives more cups of tea"

my question is:- what does amul add to that milk so that it gives more cups of milk?

is it harmful?

(you can get more cups of tea only if the milk expands more compared to normal milk, for which some harmful substance may/may not be added to it)

i mailed to amul couple of times, but (as expected) they did not reply