CAT 2020 Sentence Correction and Error Correction — Previous Year Question

In the following question, four sentences are given which may contain grammatical or contextual errors. Choose the one which contains an error. If there is no error in any of the four sentences, mark (e) i.e. "All are correct":

A) The implicit assumption is that the organized sector can be a proxy for the unorganized sector. B) While RTI filings have increased exponentially, RTI-activism has become part and parcel of civil society. C) Higher judiciary must do its duty as guardians of the citizens' constitutional rights'. D) Only certain specific projects or initiatives are undertaken in 'mission mode'.