law: 10. Persons not to leave national service or be discharged therefrom unless permitted by Central Government.-
  (1) No qualified person rendering national service under this Act shall leave such service until he is discharged therefrom under section 17.
  (2) No qualified person who has been served with a notice under sub-section (1) of section 13 or an enlistment notice under section 14 shall, if he is in any employment at the date of service of such notice, leave such employment or be discharged therefrom, except in accordance with the provisions of this Act:
  Provided that nothing in this sub-section shall apply where the employment of a qualified person is terminated for the reason that the said person has been guilty of gross insubordination, habitual absence from work, or serious misconduct or has been convicted of an offence.
  (3) If a qualified person who has been served with a notice under sub-section (1) of section 13 or an enlistment notice under section 14 leaves any employment in which he is engaged at the date of service of such notice or is discharged therefrom otherwise than in accordance with the provisions of this Act, he or, as the case may be, the person by whom he is discharged, shall be punished with imprisonment for a term which may extend to five years and also with fine which may extend to two thousand rupees.