Section 8(1)(a) in Punjab Home Guards and Civil Defence (Class I) Service Rules, 1988
(a)in the case of Commandant General, -(i)by promotion from amongst the Deputy Commandant Generals or Divisional Commandants who have an experience of working as such for a minimum period of eight years; and(ii)by transfer of serving police officers not below the rank of Deputy Inspector General Police or Additional Inspector-General of Police under the Punjab Government or other State Government or the Central Government, if a suitable person is not available for appointment by promotion ;