Can a Manufacturer do job work of another concerns/companies

there is no bar for doing job work on account of other manufacturers by an exciseable manufacturer, provided the excise liability of such goods are discharged by principal manufacturer, 

in absence of such duty discharge, job would would stand liable for it.

Dear neeraj

 Yes,  Manufacturing company do job work of another companies in its premises...

The Procedure is Maitain  returnable job work challans file and Anexxure - IV  Registers,    Maintain Registers seperately for own manufacturing and job work, 

Keep records with update daily , and  along with stroes and security registers.  the manufacturing procedure and products are same there is no amendment for registration.