If you have lost RRB Chandigarh exam Admit Card then you can download it again from official site , but if admit card link has expired then you need to do contact at RRB Chandigarh exam authority:

Here is process to do download RRB Chandigarh exam admit card :

Go to the RRB Chandigarh official website

Click on admit card/call latter link at the left hand side

By click there you will land on admit card page which look like this image



as on 20.1.2017 following notification avail there :

Link for Downloading e-call Letters for 2nd Stage Exam (CBT) of NTPC (Graduate) against CEN-03/2015. In this link, Help Desk is also provided for redressal of their grievances, if any.
Revised Link to View Individual Score Card of 1st Stage Exam of NTPC (Graduate) against CEN-03/2015
Notice to the candidates for downloading of e-Call Letters for 2nd stage Exam. (CBT) for the posts of NTPC (Graduate) against CEN No.03/2015
Notice for Mandating Aadhaar Card For future RRB Examinations
Important Notice Notice for Candidates of NTPC (Graduate) Exam against CEN No.03/2015
Notice for Candidates of NTPC (Graduate) Exam (CEN 03/2015) regarding extension of date for Objection Tracker.
Notice for Candidates of NTPC (Graduate) Exam (CEN 03/2015)
Notice for Attention of Candidates of NTPC (Graduate) Exam of CEN-3/2015.
Important Notice for information of candidates of NTPC [Graduate] of CEN-03/2015 regarding reschedule of exam.
Important Notice : Option Form for Stenographer (Hindi) & Stenographer (English) of CEN-03/2014.
Important Notice : For Information of candidates regarding exam details of NTPC [Graduate] - CEN-03/2015
Important Notice : CEN 02/2015 NTPC (UG) SRD for PWD for submission of objections on Questions/Options
Important Notice : CEN 02/2015 NTPC (UG) SRD for PWD regarding re-scheduling of online exam on 27 & 28 December 2015.
Corrigendum cum Important Information for the candidates. Special Recruitment Drive for Persons with Disabilities (CEN. 02/2015)
Notification For Change Of Address of Railway Recruitment Board Chandigarh
Eligibility Status of applications for the posts of Stenographer (Hindi), Stenographer (English) for written exam scheduled on 11.01.2015 and for Horticulture Supervisor & Lab Assistant-III(Workshop) for written exam scheduled on 18.01.2015 published in CEN-03/2014
Notice for Written Examination to be held on 15/06/2014 & 29/06/2014 for the posts of Assistant Loco Pilot & Technicians published in CEN-01/2014.
Eligibility status of application for Assistant Loco Pilot & Technicians published in CEN-01/2014 for written exam on 15.6.14 and 29.6.14.
List of Extra Candidates of ALP [CEN-01/2011] for Placement on ECoR & SCR
Notice for Written Examination to be held on 02/12/2012 for the posts of Traffic Apprentice, Goods Guard & Junior Accounts Assistant-cum-Typist Published in CEN No. 03/2012 for Common Preliminary Examination.
Eligibility Status of Applications for Non Techincal Popular Categories(Traffic Apprentice, Goods Guard & Junior Accounts Assistant-cum-Typist) Published in CEN No. 03/2012 for Common Preliminary Examination.