The issue of national security has ever been an issue of top priority for the nations in human history and all the efforts to secure its national interests have been made as the core of national policy. India after its independence in 1947 faced very severe challenges and hostile surroundings to its security and stability. Not only external threats but the country had been facing various challenges from inside many of them still exists. It was really a very hard work to save guard our comprehensive national interest with limited national resources and enormous international pressure of cold war politics. The present work investigates various problems and prospects of our national security issues including constant efforts of our country to meet the challenges successfully