In these questions, out of the four alternatives choose the one which can be substituted for the given words/sentence.
Call upon God or any other power (like law) etc. for help or protection
(1) invocation (2) involution
(3) inundation (4) revocation
Answer :-
(1) invocation
Explanation :-
invocation (N.) : Call upon God or any other power (like law), etc. for help or protection
involution (N.) : the action of embracing something
inundation (N.) : the rising of a body of water and its overflowing onto normally dry land
revocation (N.) : the act of cancelling a law, etc.