Is your company has Union? if yes then is it registered or recognise by company? Is this affiliated from outside union?
Yes worker can approach co-colleauge for witness, proof or statement purpose etc., but he/she must be work in same company outsider are not allow in internal domestic enquiry. If the case has been reached at DLC office then he is allowed only in case of lawyer at his side.
First Thing First.
The Charge-sheeted Employee, suspended-Pending-Inquiy has to defend himself/herself and the Role of his/her Co-woker or his/her Union's Office Bearer is "To assist the Charge-sheeted-Employee during ongoing Iquiry Proceedings being conducted by either the Inquiry Officer or the Inquiry Committee, as the case may be, duly appointed by the Employer/Disciplining Authority (Management), for the puspose of conduting Domestic /Internal /Depatmental/Managerial Inquiry in accodance with the Principles of Natural Justice as well as the Procedures prescribed/laid down for such Internal Inquiries.
It is setteled legal position that in such Domestic/ Departmental Inquiries, the Appointed Inquiry Officer or the Inquiry Committeee allows either a Legally-Traine Person (Advocate/Lawwyer) UNLESS the Employer/Punishing Authrotiy associates with the Inquiry Proceedings a Lawyer/Pleader etc. or an Outsider who is not the Co-worker of the Charge-sheeted Employee / Delinqunet Employee nor Outside the concerned Establishment's Regd Union's OB ought to be associated.
This Kritarth Team of Inquiry Officer has practiced the aforesaid for decades without any deviation or disagreement.
20 June 2019, Bengaluru Service Team