law: Code of Criminal Procedure Act, 1973
  
  393.Finality of judgments and orders on appeal.-
  Judgments and orders passed by an Appellate
  
  Court upon an appeal shall be final, except in the cases provided for in
  
  section 377, section 378, and sub-section (4) of section 384 or Chapter XXX:
  Providedthat notwithstanding the final disposal
  
  of an appeal against conviction in any case, the Appellate Court may hear and
  
  dispose of, on the merits,-
  (a) an appeal against acquittal under section
  
  378, arising out of the same case, or
  (b) an appeal for the enhancement of sentence
  
  under section 377, arising out of the same case.