Whenever it appears to the Commissioner of Police-

(a) that the movements or acts of any person are causing or are calculated to cause alarm, danger or harm to person or property; or

(b) that there are reasonable grounds for believing that such person is engaged or is about to be engaged in the commission of an offence involving force or violence or an offence punishable under Chapter XII, Chapter XVI, Chapter XVII or Chapter XXII of the Indian Penal Code 45 of 1860), or under Section 290 or Secs. 489-A to 489-E (both inclusive) of that Code or in the abetment of any such offence; or

(c) that such person-