 Later, when Bhutto was overthrown in a military coup, Hills orchestrated urgent appeals to General Muhammad Zia-ul-Haq for clemency, but, like many westerners protesting Bhutto's imprisonment, was ignored, and Bhutto was hanged.In the 1950s Hills became known to Indian Prime Minister Jawaharlal Nehru through his friend the Deputy leader of India's Congress Party, Surendra Mohan Ghose, a Bengali revolutionary and relative of Sri Aurobindo.Hills invited Ghose to Jamaica, to speak at the 1961 Commonwealth Parliamentary Conference, and together they formed a partnership to promote World Union and global famine relief through algae aquaculture.