The given sentence has an error. Select the option that correctly rectifies the error.
India is not on war with Pakistan.

Correct option is C

The correct phrase is (c) not at — making the sentence: India is not at war with Pakistan.
Explanation:
The correct preposition used with “war” is “at”.
"At war with" is a standard phrase indicating hostility or active conflict.
Grammatical Rule Used:
· Use "at war with" to show two parties engaged in conflict.
· Example: The two countries have been at war for years.