15. Estate in possession of a mortgagee with possession -

(a) occupancy tenants under section 5 of the Punjab Tenancy Act, 1887,
(b) tenants holding land on Patta Dawami or Istamrari, with right of transfer by sale, or
(c) exproprietary tenants, occupancy tenants other than those under section 5 of the Punjab Tenancy Act, 1887, grove holders or tenants holding land on Patta dawami or Istamrari without right of transfer by sale.