Explanation:

- The song "Saare Jahan Se Achha" was composed by Muhammad Iqbal.

- Muhammad Iqbal was a philosopher, poet, and politician in British India.

- He was deeply involved in the cultural and philosophical advancement of the Indian Muslim community.

- Jawaharlal Nehru was a key leader in India’s independence movement and the first Prime Minister of India, but he did not compose this song.

- Jyotiba Phule was a social reformer known for his efforts in women’s education and the upliftment of lower castes in India.

- Mahatma Gandhi was the leader of India’s non-violent independence movement but did not write this song.

So, Muhammad Iqbal is indeed the correct answer.