The International Institute of Strategic Studies (14 February 2017). The Military Balance 2017 (in ஆங்கிலம்). Routledge, Chapman & Hall, Incorporated. ISBN9781857439007.
"Area of Work DRDO". Defence Research and Development Organization. Ministry of Defence. Archived from the original on 14 August 2017. Retrieved 23 July 2017.
"Area of Work DRDO". Defence Research and Development Organization. Ministry of Defence. Archived from the original on 14 August 2017. Retrieved 23 July 2017.