Siddiq was a member of the scientific advisory council of the Prime Minister of India from 2004 to 2009. He sits in the Board of Members of the International Rice Research Institute as well as the Executive Committee of the Agri Biotech Foundation. He was a member of the working group for the Eleventh Five Year Plan (2007-2012) of India. He was also a member of the Research Advisory Committee of the National Research Centre on Plant Biotechnology, an Indian Council of Agricultural Research (ICAR) subsidiary.
