law: 5. Officers.-
  Officers in the Territorial Army shall be of the two following classes, namely,-
  (a) officers holding commissions in the Territorial Army granted by the President with designations of rank corresponding to those of Indian commissioned officers 1[of the Regular Army]; and
  (b) junior commissioned officers holding commissions in the Territorial Army granted by the President with designations of rank corresponding to those of 2[junior commissioned officers of the Regular Army].