A doctor who specializes in the treatment of heart disorders is called :
The one word for 'no longer used' is...........
Give one word for the given phrase;- " A decision on which one cannot go back ".
Give one word substitute for 'things of different nature' :
Give one word substitute:
The study about the cause and nature of diseases:
Our Chief Minister is a person of long experience in politics (Use one word for the words underlined).