Since May 31 this year, Singh has also held additional charge as secretary, Department of Defence Research and Development, and chairman of the DRDO. 10 -- Indian Defence Secretary Rajesh Kumar Singh will undertake an official visit to Cyprus and Greece from October 12 to 15, 2026, to strengthen defence and strategic cooperation. Defence Secretary said, our exports have reached an all-time high of 38,424 crores, which is about 3.