Captain / Major Navdeep Singh is an author

Author

An author is broadly defined as "the person who originates or gives existence to anything" and that authorship determines responsibility for what is created. Narrowly defined, an author is the originator of any written work.-Legal significance:...

, activist, lawyer

Lawyer

A lawyer, according to Black's Law Dictionary, is "a person learned in the law; as an attorney, counsel or solicitor; a person who is practicing law." Law is the system of rules of conduct established by the sovereign government of a society to correct wrongs, maintain the stability of political...

 and a member of the Indian Territorial Army

Indian Territorial Army

The Territorial Army in India is an organization of volunteers who receive military training for a few days in a year so that in case of an emergency they can be mobilized for the defence of the country....

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Captain (Capt.)/Major (Maj.) Navdeep Singh is the most decorated officer in the history of the Indian Territorial Army, a volunteer force in which gainfully employed and self employed professionals receive military training for a few days in a year so that in the event of a war or a national emergency they can bear arms for the defence of the nation.