Fill in the blank with the most appropriate word: 'कैंसर सबसे भयानक _______ है।'

Fill in the blanks with the correct words in order: As soon as the month of ________ started, black ________ covered the sky.

'आपके इस गलत कृत्य से मुझे______ आ रही है।' Which appropriate Tatsam word should be used to fill the blank in the given sentence?