Captain Khurana was commissioned into the Indian Navy in July 1988. He was a missile warfare specialist. He has participated in naval operations during the Civil War in Sri Lanka (1987-91) and India-Pak Kargil War (1999). He commanded two warships, including the Commissioning Command of a Fast Attack Craft in A&N Islands. He was a Research Fellow at the IDSA (2003-2008), and has authored three books, more than 50 research papers, and as many issue briefs on maritime/naval, strategic, legal and geopolitical issues. The most notable among his books is ‘Porthole: A Compendium of Geopolitical, Strategic and Maritime Terms and Concepts’ (Pentagon Press, New Delhi: 2015): a reference book for naval officers and those undertaking research in maritime studies. He also contributed to the increasing usage of the term ‘Indo-Pacific’ in the current geopolitical discourse. He has presented several papers on Maritime Issues both in India and abroad. As the Executive Director of National Maritime Foundation (NMF), New Delhi (2014-19), he represented India in various IORA, EAS and CSCAP events.