Option (1) is correct: Definition provided under Section 2(1) of the Code of Criminal Procedure, a 'bailable offence' means an offence which is shown as bailable in the First Schedule.
Option (2) is incorrect: All cases of summons trial are not only bailable offences.
Option (3) is incorrect: All non-cognizable offences are not bailable.
Option (4) is incorrect: No such provision is provided under the CrPC.