Any nation in this world since time immemorial cannot exist without leadership. Take a group, tribe or a country, people need leaders to endure. A leader has vision and pluck to take everyone on a path which will lead to certain objective and beyond. If you look back into history, there were kings with their state forces chiefs in a kingdom. Moving ahead in history, the required proviso for a king changed; for example in Mougal era, emperors before becoming emperors served with their army in provinces and led their army in battles. Lets come into modern era, most of the US presidents had undergone military training in their youth.  Leadership of a nation is based on two pillars in the modern era. The first pillar is politcal leadership and the other pillar is military leadership. Remove any of them and the spine of the country will break. Oh now you must be thinking that politcal leaders are corrupt and incompetent in a country like India. I don’t agree with you my friend, I