Direction: Which of the phrase/word from the options given below each sentence should replace the phrase printed in bold letters to make the sentence grammatically correct. If the sentence is correct as it is, mark, No Improvement as the answer.
Mr Kejriwal accused the Home minister of letting the Shaheen Bagh blockade of a critical road festering at one-and-a-half months only for electoral gains.
1
Festered for
2
Fester for
3
Festered from
4
No Improvement