The correct answer is option 4, "Ananda Math."

Bande Mataram, the nationalist song, was a part of the novel "Ananda Math." "Ananda Math," written by Bankim Chandra Chattopadhyay, is a Bengali novel published in 1882. The novel is set during the Bengal famine of 1770 and depicts the ongoing struggle against the British colonial rule in India.

Bande Mataram is a highly revered song in the Indian nationalist movement. It was first published in the novel "Ananda Math" and later became the rallying cry for India`s freedom fighters and the Indian independence movement. The song`s lyrics, written by Bankim Chandra Chattopadhyay, are in Sanskrit and Bengali and express the sentiment of love and veneration for Mother India.

Therefore, the correct option is 4, "Ananda Math," as it was the novel in which Bande Mataram was originally published.