1) Punjabi tribe 
Nischal (Punjabi:, Hindī: ), originally Nichal is an Indo-Aryan Hindu Punjabi Rajput surname originating in the Punjab region of the Indian subcontinent. It is part of the broad Kshatriya varna (caste). They are traditionally members of the military or ran in an administrative capacity. The Kshatriya were assigned to protecting the Hindu dharma. ...